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469

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.;;, ~:l 0

No. of Days after 'Service. Birth ... 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Served ... 0 No. Observat's

• VIII. APPENDIX.

TABLE 1.

Average Da-ily Weight..;* Rel~tiv~ , Weig7lt and Increase in Weight during Pregnancy _ Qj Different Classes · of Rats.

. ....

I ·-·· ' .l!'ezqales put with Males Heavy Rats: -

I.

^.Rats

that ·had One· or All Rats. when Vaginas Opened •. First Pregnancy., More Litters. D 'I Rela-D '1 D 'I Rela-D

. 1

D

. 1

Rela-D

. 1

. D . 1 Rela-· W · ht ai Y t' ai Y W · ht ai Y t' ai y W . ht ai y t' ai y Weight. · G a~ Y tive Daily e1g . G . 1ve G . e1g . G . 1ve G . e1g . G . 1ve G . Gain.

I

am. Weight. am. am. W . ht am. am. W . ht am. . am. Weight. ~ ; ~

.

. g. g.

% %

g.. g.

% %

~ ~

% %

-g. g.

% % .

247-3 '-48·4.

.. 255·0 -50·3 118·2 -23·3 193·6 -'45·2 156·1 -36·5 119·2 -23·3 .278·6 -~i)2·0 113·6 -,-21·2 305·3 8·3 141·5 3·8 238·8 10·2 192·6 8·2-295·7 7·8 142·5 3·7 330·6 6·6 134·8-' z:-7 297·0 8·7 137·7 4·0 228·6 .10·0 184·4 8·1 287·9 8·0 '138·8 3·9 324·0 9·5· 132·1 . 3·8 288·3 9·1 133·7 4·2 218·6 .10·2 176·3 8·2 279·9 9·1 134·9 <!·4 314·5 8·8 .1"28·2 3·6 279·2 9·2 129·5 4·3 208·4 8·8 1'68·1 7·1 270·8 9·2 l30·5 4·4 305·7 9·5 124·6 3'·8 270·0 7·9 125·2 3·7 199·6 7·8 161·0 6·3 261·6 7·6 126·1 3·7 296·2 8·3 120·8 3·5 262·1 5·4 121·5 2·5 191·8 5·6 154·7 4·5 254·0 5·7 122·4. 2·8 287·9 4·9'. 117·3 1·9 256·7 3·7 119·0 1·7 186·2 5·2 150·2 4·2 248·3 3·5. i19·6 J ·6 283·0 3·9 115·4 1·6 253·0 3·5 117·3 1·6 181·0 5·0 146·0 4·1 244·8 3·6 118·0 1·7 279·1 3·0 113·8 1·2 249·5 2·3 115·7 1·1 176·0 2·0 . 144·9 J ·6 241·2 1·8 116·3 0·9 276·1 3·0. '112·6 1·3 247·2 3;2 114·6 1·5 174·0 6·6 l40·3 5·3 239·4 . 3·0 115·4 1·5 273·1 2·9 111·3· 1·2 244·0 3·0 113·1 1·3 167·4 1·6 135·0 1·3 "236·4 3·7 113·9. .1·8 270·2 2·0 110·1 0·8 241·0 4·3 111·8 2·1 165·8 5·4 . 133·7 4·3 232·7 4·2 112·1 . 2·0 268·2 4·6 :109·3 l··8 236·7 2·5 109·7 1·1 160·4 4·4 ' 129·4 3·6 228·5 2·5 ll0·1 1·2 '263·6 2-r' 107·5 0··9 234·2 2·4 108·6 1·1 156·0 3·8 125·8 3·1 226·0 2·2 108·9 1·1 261·5 2·4 106·6 l:O 231·8 2·2 107·5 1·0 152·2 4·0 122·4 3·2 223·8 2·0 107·8 0·9 259·1 . 2·2 105·6 0·9 229·6 1·8 106·5 0·9 148·2 4·0 119·5 3·2 221·8 1·8 106·9: 0·9 256·9 . F6 104·7·. 0·6 224·8 2·5 105·6 1·1 144·2 3·0 116·3 2·4 220·0 3·1. 106·0 1·5 255·3 1·2 104·L 0·5 225·3 2·3 104·5 l·1 141·2 5·4 113·9 4·4 216·9 1·7 104·5 0·8 254·1-. 3:o 103·6 1·3 223·0 2·9 103·4 1·4 135·8 3·8 109·5 3·0 215·2 3·3 i03·7 1·6 25h1-2·0. 102·3 0·8 220·1 3·8 102·0 1·8 132·0 4·6 106·5 3·8 211·9 3·9 102·1-1·9 ,249:6 3·8 101·5 1·5 216·2 1·2 100·2 0·5 127·4 .2·2 102·7 1·7 '208·0 1·1 100·2 0·5 245·3 1·2 100 0·5 215·0 -0·7 99·7 -0·3 125·2 :1·2 101·0 1·0 206·9 -0·6 99·7 -0.·3 244·1 -1·2 99·5 ,..-' 0·5 '· 215·7 -roo

-

124·0

-

100

-

207·5 -100 .,...,. 245·3 -100 - .(83) (5) (49) (29) -----------

*

Weight 23 days Lofore parturition taken a~ 100 and subsequent weights expressed as percentages of that weight to get relative weights.

c;

~

~ ...,

:zl

0 "":

~ >

t" t:d ,_. 21 0 ~ >

""

(9)

~

_.,

~ -J

,_..

TAllLE

2. A . ctual and Relati v e lnc1·ease in Weight of Rats during DijJe1·ent Periods of the Gestation Pe1•iod.

AcTUAL INCREASE.* RELATII'E INCREASF..* Class Up to 6-14 14-21 Gross Permanent Loss at of Rats. 6 Days. Days. Days. Increase. Increase. Parturition. Up to Per- 6 6-14 14-21 Gross rna- Days. Days. Days. In-nent Wght. Wght. Wght. Wght. Wght. Wght.

% % %

crease. In-

% % % % % % %

crease. g. g. g. g. g.

.

g.

%

I (I) All Rats ... 13·9 15·5 23·4 26·1 52·3 58·4 89·6 100 39·3 43·9 50·3 56·1 6·5 10·8 24·2 41·5 18·2 ( 2) Rats Served as 24·2 21·1 32·8 28·6 57·8 50·3 114·8 100 69·6 60·6 45·2 39·4 19·5 26·5 46·6 92·6 56·1 Vaginas opened 23·0 26·1 50·9 57·7 88·2 100 .39·8 45·1 48·4 (3} Heavy Rats 14·3 16·2 54·9 6·9 11·1 24·5 42·5 19·2 First Pregancy 22·2 26·1 51·5 60·4 85·2 100 33·3 39·1 (4) Rats that had ll·6 13·6 52·0 61·0 4·7 9·1 22·0 35·8 13·6 One and more Pregnancies *Actual and relatiYe weights obtained from Table l.

Loss at P~tr- turi- tion.

%

23·3 36·5 23·3 22·2 p

z "" ....

q ~ ~ >

... .

(10)

...,.

-4 l:l:)

\\'eight Classes iu g. First 'regnn.ncics . 110-139 140-169 170-199 200-229 230-2ii9 260-289 One and liinre p re7nwnri~s. 200-229

TABLE

4. Influence of 1¥cight at Service on the lnc1·ease in A ct ttal and Relativ e Weights at Different Periods of Pregnancy.

ACTUAL INC.REAS};. REI.A'riVE INCREASE. Up to 6-14 14-21 Gross Permanent Loss at Per- 6 Days. Days. Days. IncreasC'. Increase. Parturition. Up Gross rna- to 6 6-14 14-21 In-ncnt Days. Days. Days. In· crease. Wt. Per Wt., Per Wt.l Per Wt.l Per Wt. Per Wt. Per crease. Cent. • g. Cent. g. Cent. g. Cent. Cent. Cent.

%

0/ %

% %

g. g. g. /0

I I

24·2 21 ·1 32·8 28·6 57·8 50·3 ll4. ·8 100 69·6 60·6 4:3·2 39·4 19·5 26·5 46·6 92·6 66 ·1 14.·6 15·9 23 ·8

!

25 ·9 53·6 58·3 92·0 100 43·6 4.7·4 48·4. .'i2 ·6 9·4 1:3·3 34·4 59 ·1 28·0 13·4 15·8 21 ·3 25·2 49·9 59·0 84. ·6 100 41·0 48·:3 43·6 6l·5 7·2 11·4 26·8 45·4 22·0 14·6 16 ·9 21 ·9 25·4 49·8 57·7 86·3 100 36·5 42·3 49·8 57 ·7 6·9 10·2 23 ·4 40·5 17·1 15·2 15·9 27·5 28·7 53·0 55·4 95·7 100 4.4·5 46·!5 51 ·2 53·5 6·2 ll ·2 21 ·6 39·0 18·1 14·8 15·7 27·5 29·2 52·0· 55 ·1 94 -:~ 100 39·5 41 ·9 54·8 58 ·1 5·5 10·3 19 ·.3 33·3 14 ·8 12·6 14·4 20·8 23·9 53·8 61 ·7 87·2 100 33·6 38 ·:) 53·6 61 ·5 5·8 9·7 24·8 4.0 ·3 1.3·5 230-259 . 12 ·2 14 ·3 22·1 2:3 ·9 61 ·1 59·8 85·4 100 33·0 38·6 52·4 61 ·4 :3·1 9·3 21 ·5 3.3·9 13·9 260-289

I

9 ·4 10 ·9 22·9 26·5 1)4·2 62·6 86·5 100 :32 ·3 37·3 M·2 62·7 3·4 8·3 19·6 3l ·3 11 ·7

Loss at Par- turi- tion. Ol /0 36 ·i) 31 ·1 23·4 23·4. 20·9 20·5 24·8 22·0 19·6

Aver- age No. per Litter. - 7-4 7·3 7·0 7·0 6·0 7·6 6·9 7·2 -

~ ~ 0 ~ ..., t:li 0 "':! >-l t:li t=! > t:"' t:::l .... ~ 0 f;: > >-l

(11)

Influence of Weight of Females at Service on Increase in Weight during Pr_ egnancy.

First Pregnancies. Rats that had One or

}if

ore Litters.

- -

^_j__

.

110-139 g. 140-169 g. 170-199 g. 200-229 g. 230-259 g. 260-289 g. 200-229 g. 230-259 g. 260-289 g.

No. of Days ~

Rela- Rela: Rela-

I

^Rela- ^Rela- ^Rela- ^Rcla- ^Rela- ^Rela- ^Rela- ^Rela- ^Rei- ^Rela- ^:&ela- ^Rela- ^Rela- ^Rela-

after Service. Weight. tive tive Weigh_t. tive tive Weight. tive tive Weight. tive tive Weight tivc tive Weight. tive tive Weight. Rela-tive tive Weight. tive tive Weight. tive tive

Weight. Gain. Weight.

I

^Gain. ^Weight. ^Gain. ^Weight. ^Gain. ^Weight. ^Gain. Weight. Gain. Weight. Gain. Weight. Gain. Weight. Gain.

-- g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

'

[

.

Birth ... 22 ₂₁ 193·6 _238·8 156·1 _192·6 -36·5 _8-2 199·2 _247·6 128·0 _159·1 -31·1 _5·0

227·51

_271·1 ^122·0_145·4 ^-23·4_4·0 ^249·7_299·5 ^117·1_140·5 ^-23·4 ^289·8 ^118·1 ^-20·9 ^306·5 ¹¹⁴^·8 ^- ^20·5 ^250·0 ^115·5 ^-24·8 ^270·7 ^113·9 ^-22·0 ^308·3 ^117·7 ^-19·6

3·4 341·0 139·0 4·4 361·3 135·3 2·3 303·6 140·3 4·6 '323·1 135·9 4·3 362·5 131·3 2·4 20 228·6 184·4 8·1 239·8 154·1 5·6 263·6 141·4 3·9 292·4 137·1 4·3 330'·2 134·6 3·1 355·0 133·0 2·1 293·6 135·7 4·0 312·9 131·6 3·1 355·7 128·9 4·2 19 218·6 176·3 8·2 231·0 148·5 3·6 256·5 137·5 5·6 283·1 132·8 4·4 322·7 131·5' 3·2 349·5 130·9 3·2 284·9 131·7 4·3 305·6 128·5 3·0 344·2 124·7 3·2 18 :17 208·4 199·6 168·1 161·0 7·1 6·3 225·4 215·4 144·9 138·4 6·5 5·4 24.5·9 237·3 131·9 127·2 4·7 3·3 273:7 263·8 12R·4 123·7 '" 4·7 3·6 306·0 314·8 128·3-124·7 3·6 2·8 341·0 333·0 127·7 124·7 3·1 4·1 267·1 275·7 127·4 123·4 4·0 3·6 298·3 289·6 125·5 121·8 3·7 3·0 335·3 325·1 121·5 117·8 3·7 3·6 16 191·ft 154·7 4·5 207·0. 133·0 5·2 231·0 123·9 3·3 256·1 120·1 1·9 299·2 121·9 2·7 322·0 120·6 2·1 259·2 ll9·8 1·7 282·3 118·8 . 2·8 315·3 114·2 1·6 15 186·2 150·2 4·2 198·8 127·8 3·1 224·8 120·6 2·0 252·0 118·2 1·1 292·3 119·2 1·8 314·5 117·8 2·0 255·5 118·1 2·6 275·7 116·0 1·6 310·7 112·6 0·9 14 181·0 146·0 4·1 194·0 124·7 1·2 221·2 118·6 2·0 249·7 ll7·1 1·7 288·0 117·4 1·6 309·3 115·8 1·1 249·8 115·5 0·4 272·0 114·4 1·9 308·3 111·7 1·3 13 176·0 141·9 1·6 192·2 123·5. 0·5 217·3 116·6 0·5 246·0 115·4 1·1 284·0 115·8 1·3 305·5 114·4 1·9 249·0 ll5·1 1·7 267·4 112·5 1·0 304·6 110·4 0·9 12 174·0 140·3 5·3 191·4 123·0 1·3 216·5 116·1 1·6 244·1 114·5 1·6 281·0 114·5 0·7 300·5 112·5 1·1 245·3 113·4 1·8 265·0 111·5 1·3 302·2 109·5 0·7 11 167·4 135·0 1·3 189·4 121·7 5·1 213·5 114·5 1·7 240·6 112·9 1·3 279·2 113·8 1·8 296·8 111·1 1·2 241·5 111·6 - 0·1 261·9 110·2 1·1 300·4 108·8 1·4 10 165·8 133·7 4·3 181·4 116·6 2·8 210·4 112·8 2·1 237·8 111· 6 2·1 274·7 112·0 1·9 293·5 . 109·9 1·2 241·6 Ill· 7 1·8 259:4 109·1 1·8 296·3 107·4 1·9 9 160·4 129·4 3·6 177·0 113·8 2·.4 206·3 110·7 1·0 233·4 109·5 0·9 270·2 ll0·1 ] ·5 290·3 108·7 i. 9 237·8 109·9 1·0 254·7" 107·2 0·5 291·1 105·5 1·0 8 156·0 125·8 3·1 173·4 111·4 1·1 204·5 109·7 1·0 231·5 108·6 1·1 266·3 108·6 1·5 285·3 .106·8 0·4 235·6 108·9 1·8 253·7 106·7 1·1 288·3 104·5 0·3 7 152·2 122·7 3·2 171·6 110·3 0·9 202·6 108·7 1·5 229·3 107·5 0·6 262·8 107·1 0·9 284·0 106·4 0·9 231·8 107·1 1·3 251·0 105·6 0·5 287·6 104·2 0·8 6 148·2 ll9·5 3·2 170·2 109·4 1·7 199·9 107·2 0 227·8 106·9 1·4 260·5 106·2 0·8 281·8 105·5 0·6 229·0 105·8 0·2 249·9 105·1 0·5 285·4 103·4 0·9 5 144·2 116·3 2·4 167·7 107·7 0·9 199·9 107·2 2·3 224·9 105·5 1·2 258·5 105·4 1·4 280·0 104·9 1·0 228·5 105·6 1·1 248·6 104·6 0 283·0 102·5 0·3 4 141·2 113·9 4·4 166·2 106·8 3·1 195·5 104·9 0·8 222·3 104·3 0·7 255·2 104·0 0·8 277·5 103·9 0·7 226·2 104·5 1·4 248·6 104·6 1·7 282·1 102·2 0·8 3 135·8 109·5 3·0 161·4 103·7 2·2 194·1 104·1 1·3 220·9 103·6 1·5 253·2 103·2 1·6 275·5 103·2 1·8 223·0 103·1 0·7 244·7 102·9 0·5 280·0 101·4 1·4 2 132·0 106·5 3·8 158·0 101·5 1·5 191·8 102·9 1·5 217·7 102·1 1·8 249·2 101·6 1·2 270·8 101·4 1·0 221·6 102·4 2·5 243·4 102·4 1·3 277·1 100·4 0·9

·1 127·4- 102·7 1·7 154·0 99·0 0·7 187·3 100·4 0·6 213·8 100·3 0·8 246·3 100·4. -0·3 268·0 100·4 0·2 216·2 99·9 0·4 240·3 101·1 1·5 274·5 99·5 0 Served ... 0 125·2

nn-o

1·0 153·0 98·3 -1·7 186·1 99·8 - 0·2 212·2 99·5 - 0·5 247·0 100·7 0·7 267·5 100·2. 0·2 215·4 99·5 - 0·5 236·9 99·6 - 0·4 274·6 99·5 - 0·5 No. of Observations.

124·0 100 ₍₅₎ - 155·6 100

-

^186·5 100

-

213·2 100 - 245·>3 100

-

267·0 100

-

^216·4 ¹⁰⁰ 237·7 100 - 276·0 100 -

(5) (15) (19) (6) (4) ·(II) (7) (10)

- --·· .. --- -- ^... ^~---·.. - ... ^_... ^_._---- ~ .. - -. -·· ^--^...^··--^.-^.^...:. ·--- ' . ·-. ^...^~--^·- ^--- .. --- ... -·- -^. ·--- . -- --- ^.-·- __ , ... _-- ~ -_,... ·-. ,

38 473-474

473-474a 473-474b

(12)

Influence of Weight of Females at Service on Increase in Weight during Pr_ egnancy.

First Pregnancies. Rats that had One or

}if

ore Litters.

- -

^_j__

.

110-139 g. 140-169 g. 170-199 g. 200-229 g. 230-259 g. 260-289 g. 200-229 g. 230-259 g. 260-289 g.

No. of Days ~

Rela- Rela: Rela-

I

^Rela- ^Rela- ^Rela- ^Rcla- ^Rela- ^Rela- ^Rela- ^Rela- ^Rei- ^Rela- ^:&ela- ^Rela- ^Rela- ^Rela-

after Service. Weight. tive tive Weigh_t. tive tive Weight. tive tive Weight. tive tive Weight tivc tive Weight. tive tive Weight. Rela-tive tive Weight. tive tive Weight. tive tive

Weight. Gain. Weight.

I

^Gain. ^Weight. ^Gain. ^Weight. ^Gain. ^Weight. ^Gain. Weight. Gain. Weight. Gain. Weight. Gain. Weight. Gain.

-- g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

^g.

% %

'

[

.

Birth ... 22 ₂₁ 193·6 _238·8 156·1 _192·6 -36·5 _8-2 199·2 _247·6 128·0 _159·1 -31·1 _5·0

227·51

_271·1 ^122·0_145·4 ^-23·4_4·0 ^249·7_299·5 ^117·1_140·5 ^-23·4 ^289·8 ^118·1 ^-20·9 ^306·5 ¹¹⁴^·8 ^- ^20·5 ^250·0 ^115·5 ^-24·8 ^270·7 ^113·9 ^-22·0 ^308·3 ^117·7 ^-19·6

3·4 341·0 139·0 4·4 361·3 135·3 2·3 303·6 140·3 4·6 '323·1 135·9 4·3 362·5 131·3 2·4 20 228·6 184·4 8·1 239·8 154·1 5·6 263·6 141·4 3·9 292·4 137·1 4·3 330'·2 134·6 3·1 355·0 133·0 2·1 293·6 135·7 4·0 312·9 131·6 3·1 355·7 128·9 4·2 19 218·6 176·3 8·2 231·0 148·5 3·6 256·5 137·5 5·6 283·1 132·8 4·4 322·7 131·5' 3·2 349·5 130·9 3·2 284·9 131·7 4·3 305·6 128·5 3·0 344·2 124·7 3·2 18 :17 208·4 199·6 168·1 161·0 7·1 6·3 225·4 215·4 144·9 138·4 6·5 5·4 24.5·9 237·3 131·9 127·2 4·7 3·3 273:7 263·8 12R·4 123·7 '" 4·7 3·6 306·0 314·8 128·3-124·7 3·6 2·8 341·0 333·0 127·7 124·7 3·1 4·1 267·1 275·7 127·4 123·4 4·0 3·6 298·3 289·6 125·5 121·8 3·7 3·0 335·3 325·1 121·5 117·8 3·7 3·6 16 191·ft 154·7 4·5 207·0. 133·0 5·2 231·0 123·9 3·3 256·1 120·1 1·9 299·2 121·9 2·7 322·0 120·6 2·1 259·2 ll9·8 1·7 282·3 118·8 . 2·8 315·3 114·2 1·6 15 186·2 150·2 4·2 198·8 127·8 3·1 224·8 120·6 2·0 252·0 118·2 1·1 292·3 119·2 1·8 314·5 117·8 2·0 255·5 118·1 2·6 275·7 116·0 1·6 310·7 112·6 0·9 14 181·0 146·0 4·1 194·0 124·7 1·2 221·2 118·6 2·0 249·7 ll7·1 1·7 288·0 117·4 1·6 309·3 115·8 1·1 249·8 115·5 0·4 272·0 114·4 1·9 308·3 111·7 1·3 13 176·0 141·9 1·6 192·2 123·5. 0·5 217·3 116·6 0·5 246·0 115·4 1·1 284·0 115·8 1·3 305·5 114·4 1·9 249·0 ll5·1 1·7 267·4 112·5 1·0 304·6 110·4 0·9 12 174·0 140·3 5·3 191·4 123·0 1·3 216·5 116·1 1·6 244·1 114·5 1·6 281·0 114·5 0·7 300·5 112·5 1·1 245·3 113·4 1·8 265·0 111·5 1·3 302·2 109·5 0·7 11 167·4 135·0 1·3 189·4 121·7 5·1 213·5 114·5 1·7 240·6 112·9 1·3 279·2 113·8 1·8 296·8 111·1 1·2 241·5 111·6 - 0·1 261·9 110·2 1·1 300·4 108·8 1·4 10 165·8 133·7 4·3 181·4 116·6 2·8 210·4 112·8 2·1 237·8 111· 6 2·1 274·7 112·0 1·9 293·5 . 109·9 1·2 241·6 Ill· 7 1·8 259:4 109·1 1·8 296·3 107·4 1·9 9 160·4 129·4 3·6 177·0 113·8 2·.4 206·3 110·7 1·0 233·4 109·5 0·9 270·2 ll0·1 ] ·5 290·3 108·7 i. 9 237·8 109·9 1·0 254·7" 107·2 0·5 291·1 105·5 1·0 8 156·0 125·8 3·1 173·4 111·4 1·1 204·5 109·7 1·0 231·5 108·6 1·1 266·3 108·6 1·5 285·3 .106·8 0·4 235·6 108·9 1·8 253·7 106·7 1·1 288·3 104·5 0·3 7 152·2 122·7 3·2 171·6 110·3 0·9 202·6 108·7 1·5 229·3 107·5 0·6 262·8 107·1 0·9 284·0 106·4 0·9 231·8 107·1 1·3 251·0 105·6 0·5 287·6 104·2 0·8 6 148·2 ll9·5 3·2 170·2 109·4 1·7 199·9 107·2 0 227·8 106·9 1·4 260·5 106·2 0·8 281·8 105·5 0·6 229·0 105·8 0·2 249·9 105·1 0·5 285·4 103·4 0·9 5 144·2 116·3 2·4 167·7 107·7 0·9 199·9 107·2 2·3 224·9 105·5 1·2 258·5 105·4 1·4 280·0 104·9 1·0 228·5 105·6 1·1 248·6 104·6 0 283·0 102·5 0·3 4 141·2 113·9 4·4 166·2 106·8 3·1 195·5 104·9 0·8 222·3 104·3 0·7 255·2 104·0 0·8 277·5 103·9 0·7 226·2 104·5 1·4 248·6 104·6 1·7 282·1 102·2 0·8 3 135·8 109·5 3·0 161·4 103·7 2·2 194·1 104·1 1·3 220·9 103·6 1·5 253·2 103·2 1·6 275·5 103·2 1·8 223·0 103·1 0·7 244·7 102·9 0·5 280·0 101·4 1·4 2 132·0 106·5 3·8 158·0 101·5 1·5 191·8 102·9 1·5 217·7 102·1 1·8 249·2 101·6 1·2 270·8 101·4 1·0 221·6 102·4 2·5 243·4 102·4 1·3 277·1 100·4 0·9

·1 127·4- 102·7 1·7 154·0 99·0 0·7 187·3 100·4 0·6 213·8 100·3 0·8 246·3 100·4. -0·3 268·0 100·4 0·2 216·2 99·9 0·4 240·3 101·1 1·5 274·5 99·5 0 Served ... 0 125·2

nn-o

1·0 153·0 98·3 -1·7 186·1 99·8 - 0·2 212·2 99·5 - 0·5 247·0 100·7 0·7 267·5 100·2. 0·2 215·4 99·5 - 0·5 236·9 99·6 - 0·4 274·6 99·5 - 0·5 No. of Observations.

124·0 100 ₍₅₎ - 155·6 100

-

^186·5 100

-

213·2 100 - 245·>3 100

-

267·0 100

-

^216·4 ¹⁰⁰ 237·7 100 - 276·0 100 -

(5) (15) (19) (6) (4) ·(II) (7) (10)

- --·· .. --- -- ^... ^~---·.. - ... ^_... ^_._---- ~ .. - -. -·· ^--^...^··--^.-^.^...:. ·--- ' . ·-. ^...^~--^·- ^--- .. --- ... -·- -^. ·--- . -- --- ^.-·- __ , ... _-- ~ -_,... ·-. ,

38 473-474

473-474b

473-474a

(13)

475-476a

475-476b

TABLE 5

(14)

475-476a _475-476c

b

(cont.)

(15)

475-476c 475-476b

TABLE 5 (cont.)

(16)

~ co ~

_, _,

TADLE

6. Influence of Lifter Size on the " lncrrn.~e in Artunl and Relatil'e 1Veights at Different Period.~ of Pregnancy.

I AcTcrAL INCREASE. RELATIVE J'CREAS:;), Litter Size. Up to 6-14 14-21 Gro~s Perman<>nt Loss at Per-Loss 6 Days. Days. Days. Increase. liH'I'I>IiSI>, Parturition. Up 6--14 14-21 Gms• 11!11.-at tn 6 Day~. Dn.,·s. In-rv·nt Par-Davs. 'Wt .. , O'

% %

cr(•a:ir· In-tarj. Wt.J

% \Yt..,

0/ Wt.l

%

Wt.J

%

Wt.J

% %

•0

%

r>f'c•asn. tion. tO f!· f!-g. g. !!. g. % Of.

' " I

Firs! Pugn.mcy. 2 and 3 •.•••.... 17·0 22·7 25·0 33·3 33·0 44·0 7.3·0 100 43·0 57·3 32·0 42·7 7·5 11·0 I4·5 33·0 I8·9 I4 ·1 4 and 5 ... 14·0 17 ·I 24·2 29·5 43·8 53·4 R2·0

roo

41 ·R 51·0 40·2 4!)·0 6·5 ll·I 20·2 37·8 I9·2 18·6 I 6and 7 ... I3·5 16·4 2I ·8 26·5 46·9 57 ·I 82·2 IOO 39·0 47·4 43·2 52·6 6·9 ll ·I 23·9 41 ·9 19·9 22·0 Sand 9 .. ~ ... 14-0 14·8 22·4 23-7 -~8·1 61-.'> 94-5 IOO 40·2 42·5 54-3 :')i ·5 6·7 lO ·6 27·6 44·9 19 ·1 2.i ·8 10 and ll ... 17 ·3 17 ·3 26·0 26 ·I 56·5 56·6 99·R 100 34·3 34·4 65-.''i 65·6 8·9 13 ·.i 29·3 -~I ·7 17-7 34·0 One and .11! 'lre Pre{Jrmncit_,, 5 ... I4 ·6 I5·8 25·8 28·0 51·8 56·2 92·2 100 50-8 55·1 41 ·4 44·9 5-6 9·9 19-8 3.3·3 I9 ·4 I5·9 6 and 7 ....•....• 11·7 14·6 19·8 24·8 48·4 60·6 79·9 IOO 30·6 38·3 49·3 6I ·7 5 ·I 8·5 2I·O 34·6 13·3 21·3 8 and 9 ... I2 ·4 13 ·2 22 ·I 23·5 59·5 63·3 94·0 IOO 36·7 39·0 57 ·3 61·0 5·4 9·6 25·7 40·7 15·9 24·8 1I ... 8·5 8·7 19·5 19·9 70·0 71·4 98·0 IOO 26·0 26·5 72·0 73·5 3·4 8·0 28·4 39·8 IO ·5 29·3 12 .••••.••••••••. 7 ·7 7·8 26·3 26·6 65·0 65·6 99·0 100 I4 ·7 I4·8 84·3 85·2 2·5 9 ·1 22·3 33·9 5·0 28·9 ----

p ?l

1::: c:t t:;i

~ .

(17)

~ -.r \J:J

-TADLE

7. Loss at Parturition and Litter Weight of the Different Classes of Rats and of Different Litter Sizes.

\Veight of Young. Birth Adnexa. Per Cent. of Aver-Loss. Total LoEB No. age Maxi-Weight Per One Per One of Mother's after · Total. Total. Weight. Class. Lit-No. mum Young. Young. ters. Wt. Partu-

.

per rition . Litter. Wt'/ Per

I

Per

I

Per

I

Per

I

Per Young.,Adnexa. · Cent.* Wt. Cent.* Wt. Cnet.* Wt. Cent.* Wt. Cent.* g. g. g. g. g. g. g. Young Virgin ... 5 7·8 238·8 193·6 45·2 23·3 37·0 19·1 4·74 2·45 8·2 4-2 1·05 ·54 82 18 Plateau Virgin ... 49 7·0 295-7 247-3 48·4 19·6 36·0 14·6 5·12 2·07 12·4 5·0 1·77 ·72 74 26 One and More 29 7·5 330·6 278·6 52·0 18·7 38·8 13·9 5·19 1·86 13·2 4·7 1·76 ·63 75 25 PrcgnHncies All Rats ...• 83 7·2 305·3 255-0 50·3 19·7 37· I 14-5 5·12 2·01 13·2 5·2 1·83 ·72 74 26 Litter Size. 2 and 3 ... 3 2·7 302·3 270·3 32·0 ll·8 15·7 5·8 5·9 2·18 16·3 6·0 6·04 2·23 49 51 4 and 5 ... 15 4·8 3ll·5 271·7 39·8 14·6 24·1 8·9 5·01 1·84 15·7 5·8 3·27 1·20 61 39 6 and 7 ... 23 6·4 292·3 246·5 45·8 18·6 34·1 13·8 5·3 2·15 ll·7 4·7 1·83 ·74 74 26 8 and 9 ... 31 8·5 303·8 249·5 53·3 21·4 42·9 17·2 5·05 2·02 10·4 4·3 1·22 ·49 80 20 10 and ll ... 7 10·4 304·1 236·9 67·2 28·4 54·0 22·8 5· 18 2·19 13·2 5·6 1·27 ·54

so

20 12 ... '' .. '.'. 3 12 391·0 306·7 84·3 27·5 50·8 16-6 4·23 1·38 33·5 10·9 2·89 ·94 60 40 - * The percentages are expressed as ratios of weight at parturition.

l<'l I'd 0 ~ H ~ 0 1-,j H ~ tr:l

~

>-< !Z 0 I'd > H

(18)

G. N. MURRAY.

TADLE

8. Weights of Pseudo Pregnant Rats.

No. of VIROIN RATS. RATS THAT HAD 0XE LITTER.

Dayg after Service. 1

I

g.

Served 0 ::!44 1 248 2 2!i3 3 2!i5 4 2ii6 5 258 6 261 7 267 8 267 9 268 10 268 l l 262 12 258 13 2!)6 14 258 15 258

Class of Rats.

2

I

³

g. g.

226 224 230 228 233 231 236 234 236 235 239 237 24:1 237 240 241 244 243 246 246 2;il 242 246 241 243 240 240 238 242 237 243 235

I

^Number^of

I

^Female.

I

^I

Young Virgins •••.. 2 4

"

5

Old females that had { one or two litters

3 1 6 8 28 9 10

I

^Aver

I

^Rel. ⁴

I

⁵

^I

⁶

^I

⁷

^I

^Aver.

^I

^Rei.

age. Wt. ago. Wt.

g.

%

^g. ^g. ^g. ^g. ^g.

%

231 100 243 2fi4 281 2!i5 258 100 235 102 245 2ii8 282 2ii8 261 101 239 103 247 262 28ii ^I2fi7 263 102 242 lO!i 25::! 266 284 263 "266 103 242 10ii 2ii6 268 293 263 270 105

245 106 •2;i7 270 204 ::!65 272 105

247 107 2ii8 272 2!)8 261\ 274 106 249 108 262 27ii 208 268 276 107 251 109 21\5 278 302 270 279 108 253 llO 266 282 30.6 270 281 100

2fi4 110 269 286 300 271 284

no

2.'i0 108 271 281 311 270 283 110 247 107 264 274 306 264 277 107 24ii 106 261 268 300 260 272 105 246 106 25ii 269 296 262 271 105 241\ 106 255 266 206 263 270 105

TABLE

9. Weights of Uteri.

Weight when Killed.

g.

18.'5 200 193 174 190 195 195 255 286 243

WPight of dress!'d Uterus.

419

g.

0·38 0·47 1·02 0·5 0·5 0·4 0·36 1·15 0·7 0·8

Remarks.

Not served.

Not served-Uterus (both horns) full of cl0ar fluid.

Rerved previous night.

Served previous night.

Served 30-36 hoUI's previously.

Served 30-36 hours previously.

Not served. FillPd with milky fluid. Weight of uterus when empty 0 ·7 g.

Not server!.

Not served.

(19)

,:.. 00 0

No. of Days Pregnant. 13 14 15 16 17 18 19 20 21 Unborn 22 Born 22

TADLE

10. Weiultts of Foetuses at Different Aues.

Number of Foetuses and Average Weight p~r Foetus of Indivi::lual Females. Total. N

I

Average

I

N A

wra~e I

N

I

Average AvC'rage Average No. Weight. o. Weight. o. Weight. o. Weight. No. Weight. No. "'dght. g. g. g. g. g. g. 7 ·07 6 ·13 5 ·06 8 ·06

- -

26 2·06 9 ·25 10 ·13 7 ·16 6 ·13 10 ·14 42 6·84 6 ·24 5 ·18 7 ·24 8 ·25

- -

26 6·00 10 ·39 7 ·39 6 ·38 7 ·42

- -

30 ll·85 9 ·84 10 ·68 3 ·68 10 ·76

- -

32 23·98 II 1·32 7 l·2 3 1·27 8 1·21

- -

29 36·49 9 2 .'!3 9 2·01 I 2 ·13 3 HJ6 7 1·96 29 59·04 5 2·79 9 3·56 4 3·32 10 3·37

- -

28 93·02 II 4·6 9 4·81 7 5·03 8 4·94

- -

35 168·59

- - - - -

-

- - - - - - - - - -

-

- - - - -

159

- '

Average Average Average No. Weight Weights per per of Female. Foetus. Angulo. g. g. 6·5 0·08 0·034 8·4 0·16 0·10 6·5 0·23 0·19 7·5 0·40 0·30 8·0 0·75 0·68 7·3 1·26 0·89 5·8 2·04 1·43 7·0 3·32 2·39 8·8 4·82 3·67

- -

5·09

-

5·09 5·93

Average Weights of Stntsen· burg. g. 0·040 0·112 0·168 0·310 0·548 1·00 1·58 2·63 . 3·98 4·63 -

Cl pj 0 ~ ...; I:Q

· o

"'l

~

tt.l > t" t:;:j

z

0 l::i.

>

...;

(20)

G. N. MURRAY.

TADLE

11. Daily Treit;llfs antl Gains of Rats from Birth to TVeaning.

Age in Days.

I

^Nnrnber

J

^Average

I

Daily

I

^Relative

of Hats. Weight. Gain. Gain.

g. g.•

%

Birth ₁... ...•...•....•...• 159 147 5·09 5·:l7

-

·28

-

5·5 2 ... 143 6·08 ·71 13·2 3 ...•... I!{8 7·0!l 1·01 I6·6

4 ... 142 8·08 ·99 14·0

5 .•...•. 141 9 ·21 I ·13 14·0 li ... 140 10·53 I·32 14·3 7 ... I39 ll·!lO 1·37 13·0 8 ... I !!7 I:l·39 1·49 I2·5 9 ...•.. I37 l4·!l1 1·52 ll·4 10 ...•.• l:l7 16·f>O I·;i!l 10·7 II. ... 1:l5 18 ·1:3 1·63 9·9 I2 ... I35 19·8-i I·71 9·4 I3 .... : ... I33 21 ·56 1·72 8·7 14 ... 1:!3 2:!·13 1·57 7·3 15 ... 1:{3 24·65 1·52 6·6 1 li ................... 1:!3 2!i·98 1·33 5·4 17 ...••••... 1:13 27·52 1·54 5·9 18 ... 1:!9 28·91 1·39 5·1 19 ... I26 30·67 1·76 6·1 20 ... I23 3:!·G3 1·96 6·4

?1 ..••...•.••. •...•...••• Il9 35·0:3 2·40 7·4

22 ... 119 37·26 2·23 6·4

2:! ... 119 H!l·SO 2·54 6·8

2·1 ... 11!l 4:!·fi8 2·78 7·0

9--·l . • • • .••.• • • • • • •••.•••• . • •• 119 45 ·I fl 2 liS G·l 26 ... 119 47·!l2 2·76 6·1

27 ...•. 119 51·18 3·26 6·8

481

(21)

H::- 00 t..:J

Days Pregnant. 0 ... { 3 ... 4 ... 5 ... : .... 6 ... 7 ... 8 ... 9 ... 10 ... 11 ... 12 ... 13 ... 14 ... 15 ... 16... { 17 ... 18 ... 19... .

~

20 ... 21 ...

No. of Female. 116 118 109 165 117 135. 91 150 108 124 115 90 *83 59 *84 85 153 136 164 138 '56 148 58 Ill 119 126

Weight Weight when of Killed. Dressed Uterus. !!· g. 163 1·40 188 0·72 HiS 0·42 178 0·40 193 0·52 219 0·61 178 0·58 202 0·78 187 1·28 Hl9 1·2 203 2·5 204 3·08 246 3·0 185 10·45 210 7·28 264 15·42 229 10·4 233 20·0 209 18·75 230 30·9 252 35·25 258 33·25 266 25·8 236 48·65 297 70·4 263 57·7

TABLE

12. Weights of Ute1·i and Foetuses of Young Females.

Number of Numher of Living Foetuses. Dead Foetuses. Total Right Horn. -

- - - - -

5 5 7 5 6 6 3 4 3 3 3 2 5 4 5 3 4 4 5 2

No. of Foe- Left Total. Right Left Total. tuses. Horn. Horn. Horn.

- - - - - - - - - - - - - -

-

- - - - - - - -

-

- - - - - - - -

-~

- -

6 11

- - -

ll 6 11

- - -

11 5 12

- - -

12 3 8

- - -

8 6 12

- - -

12 4 10

- - -

10 7 10

- - -

10 5 9

- - -

9 3 6

- - -

6 7 10

- -

10 4 7

- - -

7 7 9

- - -

9 5 10

- - -

10 7 11

- - -

11 4 9

- - -

9 6' 9

- - -

9 l 5

-

2 2 7 5 9

- - -

9 6 11

- - -

11 7 9

- - -

9 *No. 83 Gestation probably "nly 12 days. *No. 84 Gestation probably 0nly 14 days.

Weight of Foetuses. g. Right Horn. Left Horn. Both Horns. Total.

I

Aver. Total.\ Aver. Total.

I

Aver.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

~

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

1·0 0·:!5 1·23 0·25 2·23 0·25 0·72 0·24 0·71 0·24 1·43 0·24 1·17 0·39 2·i0 0·39 3·87 0·39 1·17 0·39 1·57 0·39' 2·74 0·39 1·65 0·83 5·9 0·84 7·55 0·84 3·5 0·7 3·3 0·66 6·8 0·68 5·4 1·33 9·17 1·31 14·57 1·32 10·62 2 ·12 8·53 2·13 19 ·15 2·12 6·10 2·03 12·03 • 2 ·01 18 ·13 2·01 11·0 2·75 2·95 2·95 13·95 2·79 14·28 2·57 17·8 2·56 32·08 3·56 22·92 4·fi8 27·65 4·61 50·57 4·60 10·0 5·0 33·3 4·76 43·3 4·81

Cj) l:d 0 ~

~

0 1-:j 1-'l

~ ~ ~ ~

(22)

ll>-- 00 C.:l

•

*No. 83 Gestation probably ..,nJy 12 '"days. *No. 84 Gestation probably <mly 14 days . TAlll.E

13. Trei!Jltis of Uteri and Foetuses of Old Rats

(8

months old) Pregnant for the Fi1·st Time.

=:·.·c=.=:=·:.:.:.~:.==:::-·:=::.~-:."::-:-,..:=· =================;=:========= Days Pregnant. 0 ... . 3 ... .. 6 ... . 11. ... . 12 ... . 13 ... .. 14 ... . 15 ... . 16 ... . 17 ... . 18 ... . 19 ... ..

Nnm- bl'r of Fe- male. 8 C)-~<> 36 51 53 6 46 24 65 98

NnmF.R oF LIVIJ\0 FOETUSES. N!'~lllF.R OF DEAO FOETUSES. WEIGHT OF FOETUSE~. g. Weight' Weight when of 1 Killed DressPd ---;----~-1---~---,--- . Uterus. Right Horn. Left Horn.

Totn.J Num- b<>r of Foe-

Right Horn. Left Horn. Both Horns. Rie:ht H~rn. Left H-orn. Tota.J. Total. tt)se~. J!. I e:. I I I I

Tot ~t l.

)

Aver-~

Total.,

Aver-~ Tot~tl

) Aver- 1 J 1 I age. age. ' • age. ~56 257 301 271 267 260 283 286 299 275

0·87 0·!)8 3·C8 5·6 1·05 1·67 10·3 8·27 21·1 6·97

6 5 3 2 3 1

2 2 3 1 4

8 7 6 3 7 1

1 1 1 1

1 3 1 4 1 3 1 2

2 3 1 4 2 4 1 3

10 10 1 4 8 7 8 4

·36 ·07 ·14 ·07 I 0·50 I 0·07 1·15 I 0·38 1·14 I 0·38 I 2·29 I 0·38 1·37 0·69 0·68 0·68 2·05 0·68 3·46 1·15 4·94 1·24 8·4 1·2 2·13 2·13 --2·13 2·13

(jl

:-: ~

~

(23)

jj:>. 00 ~

-

DI\VS Pregn.mt. "'0 ... !. ... 12 ... 13 ... 14 ...•... 15 ... 16 ... 17 ... 18 ... 19 ... 20 ...

TADLE

14. Weights of Uteri and Foetuses of Females

(11

months old) that lw(l Tzco Litters.

Nnm- bcr Weight of when Fe-Killed. male. fl· 48 303 25 272 486 294 *86 260 t8 324 t68 253

- -

9 318 24 320 65 329 425 3"" ~J

.

NUMBER OF NUlfRER OF ToJtn.! WEIGHTS OF FOETUSES. g •• Weight LIVuw FuE'l't:SES. DEAIJ FuEl't:SES. Num- of ber Dressed of Right Horn. Uterus. Right Left Right Left Foe- Horn. Horn. Total. Horn. Horu. Tota.J. tuseR. Tota.I.J Aver- !!. >tge. / 0·79

- - - - - - - - -

0·65

- - - - - - - - -

3·17 3 4 7 1 1 2 9

- -

5·47 4 2 6

-

1 1 7 0·52 0·13 3·03 1 1 2 3 3 6 8

- -

7·07 3 2 5 1

-

1 6 0·6 0·2 -

- - - - -

-

- - -

21·45 4 6 10

-

2 2 12 3·27 6·82 16·66 2 1 3 2 2 4 7 2·52 1·26 14·5 3

-

3 3 2 5 8 5·88 1·96 23·85 2 2 4 3 1 4 8 6·71 3·36 • !\o. 86 Ge.-tation prol,,!.]y ne.uer 14 clayR. t ~o. 8 Gest•llit~u proba!>ly 1~-l:l •lays a~ foetuses could not be weighed.

t

No. 68 Gt:station probably n011.rer 14 days.

Left Horn. Both Horns. T !'

I

Aver-ota. nge.

I

Aver-Tot.al. >tge.

- - - - . - - - - . - - - -

0·28 0·14 0·80 0·13

- - - -

0·3 0·15 0·9 0·18

- - - -

4·31 0·72 7·58 0·76 1·30 1·30 3·82 1·27

- -

5·88 1·96 6·58 3·29 13·29 3·32 --

"

l:d 0

:a ...,

:::1 0 "l

...,

~ t<J > t"' t:::l H 7l 0 l:d

~

(24)

~ 00 ~

-

D1tys rregn-.nt. 7 ... 8 ... 11. ... 13 ... 13 ...•... 14 ... 14 ... 14 ... 14 ... 15 ••..•..•.• 15 ... 16 ... 18 ... 19 ••.••.•... 20 ... 21 ....•... 21. ...

Nnm- bt·r of Fe- male. 49 3 70 40 6 50 8 81 39 51 33 45 5 18 32 35 53

•

Weight when Kill I'd. f!· 294 285 287 224 218 325 228 244 314 294 246 312 275 294 30l 272 323

'fABLE

lo. Weights of Uteri and Foetuses of

a

Mixed Lot of Rats.

NUMBER OF NUMBER OF TOTAL AND AVERAGE Vi'EIGHTS OF FOETUSES. g. LI\'ING FoETt:SES. DEAD FoETIJSEs. TotAl Weight Num- of ber lm,•••~l of Right Horn. Left Horn. Both Horns. Uterus. Right Left Right Left Foe- Total. Total. Horn. Horn. Hvru. Horn. t"se.•. Total.

I

AvPr-Total.

I

A vPr· T.)tal.l Aver- g. ago. age. age. 0·92 5 5 10

- - -

10

- - - - - -

0·92 4 5 9 1

-

1 10

- - - - - -

1·36 4

-

4 1

-

1 5

- - - - - -

4·4 4 1 5 -3 3 8 ·25 ·06 ·05 ·05 ·28 ·06 4·42 2 6 8

-

1 1 9 ·13 ·06 ·35 ·06 ·48 ·06 8·0 6 4 10 1

-

1 11 ·77 ·13 ·55 ·14 1·32 ·13 6·0 4 3 7

-

1 1 8 ·61 ·15 ·5 ·17 1·11 ·16 5·5 1 5 6 1 1 2 8 ·1 ·1 ·66 ·13 ·76 ·13 8·45 5 5 10

- - -

10 ·72 ·14 ·7 ·14 1·42 ·14 9·1 5 2 7 1

-

1 8 1·17 ·23 ·53 ·26 1·7 ·24 9·75 3 5 8

- - -

8 ·78 ·26 1·19 ·24 1·97 ·25 12·62 5 2 7

- - -

7 2·03 ·41 ·92 ·46 !Hl5 ·42 34·6 4 4 8

-

1 1 9 4·93 1·23 4·ii 1·19 9·7 1·21 3J·8 1 6 7

- - -

7 1·9b 1·98 11·77 1·96 13·7.') 1·96 53·3 8 2 10

-

1 1 11 26·8" 3·36 6·82 3·41 33·7 :1·37 48·45 5 2 7

- - -

7 25·3 5·06 9·92 4·96 35·22 li·03 51·6 4 4 8

- - -

8 19·0 4·75 20·5 5·1 39·5 4·94 .. ~ --

Cl ;<l 1::: q ~ ~ ~

(25)

IV TAnLE

lflo

Pi 0 ~ Litter Si::e and Avera.!Je

lreight

at Birth. H

:::

0 ~';.~~· ~:==::.:.=~. >:j Males. Females. :l\Jalcs and Females. H

:::

Number

I

Smoothed Sex Total t:J Litter Size. I of Weight. Ratio. Lit.ter

>

Litters. N b

I

Average Average

I

Average Weight. t"' Number. Number. W . it t:::l urn er. Weight. Weight.

....

mg J •

z

~· f!· g. g. g. 0

--- ·

Pi 2 ... 3 3 5·80 3 5·90 6 5·85 5·6'7 100 11·7

> -

:" 3 ... 7 13 5·41 8 5·50 21 5·44 5·57 163 16·3 .

.

~ 4 ...•....•... 21 47 5·62 37 5·48 84 5·56 5·476 127 22·2 en ~ 5 ... 26 67 5·46 63 5·16 130 5·31 5·38 106 26·6 6 ...•... 29 92 5·28 82 5·32 174 5·30 5·29 112 31·8

.

7 ... 44 159 5·32 149 4·95 308 5·14 5·195 107 36·0 8 ... 55 200 5·ll 240 4·92 440 5·01 5·107 83 40·1 9 ... 46 180 5·03 234 4·82 414 4·90 5·017 77 44·1 10 ... 20 91 5·16 109 4·84 200 4·99 4·93 83 49·9 11 ..•... 19 109 5·10 100 4·91 209 5·01 4·845 109 55·1 12 ... 4 27 4·82 21 4·63 48 4·74 4·76 129 56·9 2-12 ... 274 988 5·19 1,046 4·!)6 2,034 5·07

-

94·5 37·7 -· ···-···--·--·--·-· ..

·· - · · ·· - - ---