Seven new Malayan bats

PROCEEDINGS

OF THE

BIOLOGICAL SOCIETY OF WASHINGTON

SEVEN NEW MALAYAN BATS.

BY GERRIT

S.

MILLER,

^JR.

Bypermission of the Secretary of the SmithsonianInstitution. ^sT Ia, ^{\ '7*}

Among ^the Malayan

^{l)ats in the}

United

States

National Mu- seum

^are

the

following

seven

_species ^that

have not

hitherto

been

described. All

but two

of

them were

collected

and

_pre-

sented by ^Dr. W.

^L.

Abbott.

Cynopterus

princeps sp.nov.

2^ypf._Adult female (skin

and

skull). No. _141,235,United States

Na-

tional

Museum.

Collected at .Mnjeia River, Nias Island, west Sumatra,

March

10,1905,

by

^{Dr. \V. L. Abbott.} Original number,^4020.

Ch<(racters.

—

Slightly largerthanthe

Javan

Q/nopterusiiUhsecheilns_;color notasbright; ^skull with shorter rostrum; cheekteeth heavier,with

more

squarish crowns, the^lastpremolar

and

firstmolaroflower

jaw

^withsmall butdistinct

median

cusp.

Color.

— _Type

: Upperparts a peculiar

brown

intermediate betweenthe

wood-brown and

^hair-brownof

Ridgway

^{butdarkerthan}either,the

crown

slightly darker than back; individual hairs pale isabella-color at base.

Sides ofneckraw-sienna,^{this color}extending^acrossthroat but

becoming

duller beneath,

where

thefur issparser. Underparts elsewhere ^broccoli-

brown

with a faint yellowish tinge along^sides. Ears

and membranes

blackish,

unmarked.

Skull and teeth.

— _The

_{skull rather closely}resembles that of Ci^nopterus litlhxcheUus,buttherostrumisdistinctlyshorter

and

themandibular

ramus

isdeeper. Cheekteethheavier

and more

_squarishthanthose ofthe

Javan

animal, thecrownofthefirst

and

second lower molar withalow butdis- tinct teretecuspabout.3

mm.

indiameter_risingfromcrushing surfacenear middle.

Measurements.

— _{Type: Head and}

_{body, 143; tail, 10; tibia, 30; foot,}

20.5; forearm, 84.4;

thumb,

35.9; second _{finger, 61.4;} third_finger,143;

fourthfinger,112; ^fifth finger,110; skull,greatest length,^38.2; condylo- basal length, 36.4; basilar length,32.6; palatal length, 20.2; zygomatic breadth, 25.4; breadth of braincase, 15.6; interorbital constriction, 6.7;

postorbital constriction, 5.8^; mandible, ^28.8; depth^ofmandible at front of anterior molar,^3.6; maxillary toothrowexclusiveofincisors (alveoli), 12.2; mandibular toothrowexclusive ofincisors(alveoli), 13.8.

14—Pkoc.Biol. Soc. Wash., Vol. XIX, ^1906. (61)

62

Miller

— _{Seven New Malayan}

_Bats.

Specimeyisexamined.

—

_Three,allfrom_{the typelocality.}

Remarks.

—

_{This very}distinct species needs comparison with ^the

Javan

CynopterusliUhiecheilusonly,an animal from

which

itdiffersinthe_shorter, broader rostrum

and

inthe well-developed cuspsonthecrownsof

pm

j

and

m

Y-

Among

^{25skullsofthe}

^Javan

^animal17

^show

^tracesofa cusp

on

the

crown

ofmx,^whileinonly^3isthere

any

^{indicationofsuch}a structurein pmj.

Cynopterus major

sp. nov.

Type.

—

Adult

male

(skin

and

skull). No._141,236,UnitedStatesNational

Museum.

CollectedatMojeiaRiver, NiasIsland,westSumatra,]\Iarch10, 1905,

by

^Dr.

W.

L.Abbott. Originalnumber,^4021.

Characters.

— A

large speciesconsiderablyexceedingCynopterussphinxⁱⁿ size though not equal ^to C. titthiecheilns. Teeth _broad, as in Cynopterus titthsecheilus.butnot_{as large,}

and pm^ ^and m^

^{withouttraceof} secondary cusp.

Color.

— The

color so closelyresembles that of Cynopterus princeps that

no

detailed description ^is required.

Brown

of upperparts slightly

more

yellowishthan inthe _largeranimal

and

neck_slightlydarker. Ears

and membranes

_similarly

unmarked.

Skull

and

teeth.

—

_Except forits smallersize theskull resembles that of Cynopterustitthsecheilus, having^the

same heavy

^rostrum

and

broad _palate as

compared

^{with C.}sphinx. Teeth _differingfromthoseofC.sphinxⁱⁿthe greater strength

and

breadthofthe_largepremolars

and

molars.

Measurements.—

Type

^:

Head and

_body,122;tail,8;tibia,29.3;foot, 16.8;

forearm,^76.4; thumb, ^31.3; second finger, 50.4; third_finger,123; fourth finger,94; ^fifth finger,95; skull, greatest length, 33.8 (37.3)*; condylo- basallength, 32.2(35.2); basilarlength, 29(31.8)^;palatallength, 17 (19.4);

zygomaticbreadth,22.3 (24)^; breadthof braincase,14.5 (14.8)^; interorbital constriction, 7(7.6); postorbital constriction,6.2,(6)^; mandible, ^25.9 (28);

depth^ofmandibleat frontof anterior molar,^3.2(3.4)^; maxillarytoothrow exclusive of incisors _(alveoli),11.1 (11.4); mandibular toothrowexclusive ofincisors_(alveoli),12.8 (13.3).

Specimens examined.

—

Thirty -one(6 skins),^allfromNias.

Cynopterus

pagensis sp. nov.

Type.

—

Adult female _(skin

and

skull). No._121,581, United States Na- tional

Museum.

Collected on North _{Pagi Island,}west Sumatra,

Novem-

ber12,1902,

by

^Dr.

W.

L. Abbott. Originalnumber,^2028.

Characters.

—

_Exactlysimilar to Cynopterusmajorexcept that the^{size is}

much

less.

Measurements.

— _{Type: Head and}

_{body, 106; tail, 4; tibia, 24.6; foot,}

14.7; forearm, ^69.8; thumb, ^27; second _finger, 46.2; third finger, 109;

fourth _{finger, 89.7;} fifth finger, 87.7; skull, greatestlength, ^30.8 (33.4)t;

Measurementsin parenthesisarethose of an adultmale Cynopterustitttisscheilus

from WestJava_(No.141,623).

tMeasurementsinparenthesisarethose ofan adultfemale Cynopterusmajor(No.

141,284.)

Millej

— _{Seven New Malayan}

_Bats.

₆₃

condylobasallength, 29.9(32.2); basilar length, 26.9 (29.8); palatallength, 15.9 (16.8); zygomatic breadth, ^19.4 (20.8); breadth of braincase, ^12.9 (13.7); interorbital constriction,6.5 (6.9); postorbital constriction,^6.5 (6.6);

mandible,²³ (25); maxillary toothrow exclusive ofincisors (alveoli),9.9 (10.8); mandibular toothrowexclusiveof incisors(alveoli),11 _(12.1).

Specimens examined.

—

_Thirteen

(2skins), ^allfrom NorthPagi Island.

Cynopterus minutus

sp.nov.

Type.—

^Ad\x\imale (skin

and

skull). No._141,240,UnitedStatesNational

Museum.

Collected

on

Nias Island, west Sumatra,

March

_{11, 1905,}

by

Dr.

W.

L.Abbott. Originalnumber,^4043.

Characters.

—

Similartothe

Javan

Cynopterus melanocephalus

(Temminck)

butnotassmall

and

withnocontrastsofcolorbetweenthe back, head,

and

underparts.

Color.

— _Type

:

The

color differs very slightly from that of Cynopterus major

and

C.pagensis,except^that the yellowish of theneck

more

exten- sively suffuses the _sides, shoulders,

and

front halfof back.

Head

_very

nearly fawn-color. Belly

and

chestbroccoli-brown.

Skull and Teeth.

— The

skull

and

teethshow^

no

peculiarities otherthan theirsmallsize. In form they^arethroughout^similartoCynopterus sphinx.

Measurements.

— _Type

:

Head and

_body, 83

; tail,2; tibia,18.8; foot, 13;

forearm,^52.4;

thumb,

20;secondfinger, 36.7;thirdfinger, 85; fourth_finger, 66; fifthfinger, 61; skull; greatest length, 26.2; condylobasal length, 25;

basilarlength,^22.5;palatallength, 12.9; zygomaticbreadth, 16.4;breadth of braincase,^11.5; interorbital constriction, 5.3; postorbital constriction, 6;

mandible, 19.5; maxillary toothrow exclusive of incisors (alveoli), 7.8;

mandibular toothrowexclusive ofincisors(alveoli), 8.9.

Specimens examined.

— Twelve

_(oneskin),allfromNias Island.

Pteropus baveanus

sp.nov.

Type.

—

Adultmale_(skin

and

skull). No._125,482,UnitedStatesNational

Museum.

Collected

on Bawean

_Island, Java Sea, July19, 1904,

by W.

Grasshoff. Original number,^16.

Characters.

— _A

large,dark colored

member

ofthe Pteropushypomelanus group; forearmabout160

mm.

Color.

— _Type

:

Back and

underparts blackish, theformerdistinctly griz- zled with gray

and

_lightening to bister posteriorly, the latter slightly variedwith _{highlyglossed, pale} russet annulations,particularlyonchest

and

_belly. Mantlerusset,strongly suffusedwithblackish.

Head

blackish.

Ears

and membranes

black.

Skull

and

teeth.

— The

skull

and

teethresemble those of Pteropuslepidus in form,butarethroughout

somewhat

_larger.

Measurements.

— _Type

:

Head and

_body,272; tibia,73.4; foot,47.4; fore- arm,¹⁶⁰;

thumb,

^{59; second}finger,107; third _finger,285; fourth _finger, 225; fifthfinger,202; skull,upperlength,^63.4; condylobasallength, 64.6;

median

palate length,^32.8; zygomatic breadth, 35^; interorbital constric- tion, ^8.8; postorbital constriction, ^7.2; breadth of braincase, 23;

man-

64

Miller

— _{Seven New Malayan}

Bats.

dible, 52.6; maxillary toothrow exclusive of incisors _(alveoli),25;

man-

dibulartoothrow exclusive ofincisors(alveoli), 28.6.

Specimens examined.

—

_Fourteen,allfromBawean.

Remnrls.

— The

_specimens

show

nospecial variations either in colororin size.

The

shortest forearm that iscertainlyuninjuredmeasures151

mm.

This is decidedly the largest

member

of the Pleropushypomelanusgroup yet discovered. ^{Its size}

and

dark color readily distinguish ^it from its allies.

Pteropus

^niadicus sp.nov.

1889. Pteropus nicobaricus ISIodigliani, Ann. Mus. Civ. di Stor. Nat. di

Genova

₍₂₎ VII,p.239.

Type.—

AdnK

male _(skin

and

skull). No. _141,288, United States Na- tional

Museum.

Collected at Teliwaa, Nias _Island, west Sumatra,

March

_5,1905,

by

^Dr.

W.

L. Abbott. Original number,^3981.

Character.'^.

—

SimilartoPteropusnicoharlcns (Zelebor),butwithback_gray instead of black, and head notdarkerthanmantle.

Color.

— _{Type: Back}

agrizzled graj'rather _closelyresembling^thehair-

brown

of Ridgway, ^{with a} slightyellowish^cast along ^sides

and

adarker

wash

in

median

region. Mantlelight russetheavilycloudedwith blackish, thelatterpredominating.

On

head the black is less noticeable

and

the russet becomes _paler, so that the mantle is noticeably darker than the head. Underparts ^blackish anteriorly, russet along middle of chest

and

belly, light hair-brown

on

flanks

and

under side of_thighs. Ears

and membrane

^black.

SkuU

andteeth.

— The

skull

and

teeth

do

notdifierappreciablyfromthose of Pteropusnicobaricus.

Measurements.

— _Type

:

Head and

_body,270; tibia,68.4; foot, 52.4; fore- arm,152.4;

thumb,

66.2; secondfinger,114; third_finger,287; fourth^fin- ger,234; fifth finger,205; skull,upper length,69; condylobasal length, 69.4;

median

_palatal length,84.8; zygomaticbreadth,^38.2; interorbital constriction, 9.8; postorbital constriction, 8^; breadth of braincase, 23.6;

mandible, ^56.4; maxillary toothrow exclusive ofincisors _(alveoli),26.8;

mandibular toothrowexclusive ofincisors (alveoli), 30.4.

Specimens examined.

—

_Three,allfrom NiasIsland.

Remarks.

— _Though

_nearlyrelated to Pleropus nicnburicus this species ^is easily distinguishable

by

^its gray back

and

_light colored head. In ten skins of Pteropusnicobaricus the

head

iswithoutexception conspicuously darker thanthe mantle,whiletheback^isalmostblack.

Kerivoula

depressa

sp. nov.

1892. Kerivoulahardmckii

Thomas, Ann.

^{Mus.Civ.diStor.Nat.di}Genova,

(2)

X,

p. 927.

Type.

—

Adult female (in alcohol). No. _ifffl, United States National

Museum.

Collected at Biapo,CarinHills, northeast ofTounghoo,^south- ern

Burma, by

^L.Fea.

Characters.

—

SimilartoKerivoula hardwickiibutwithsmallerears,shorter

Miller Seven

New _Malayan

Bats.

65

tibia

and

smaller_foot; skullwith braincase nearly

U

times as broad as deep.

Color.— Afteritslongimmersioninalcohol thefurislighter

and

_yellower thanthat of four

Javan

skins of Kerivoulahardwickii. Upperparts between buff

and

cream-buff, the tips of the hairs darker, producing ^{a distinct} clouding of broccoli-brown. Underparts^similarbutwithoutthe clouding.

Hairseverywhere prouts-brown through^basalhalf. Ears

and membranes

uniform brown.

Skull

and

teeth.—

The

skull is readily distinguishable from that of

K.

hnrdwickiihy^itslow,^flattenedbraincase_(seemeasurements)

and

narrower palatal

and

narial eraarginations. Teethnot obviously^differentfromthose ofthe

Javan

animal.

Afeasurements.—

Type

^:

Head and

_body,32.6;tail,428;tibia,15.4;foot,6;

forearm,^32.8; thumb,^7; second_finger,34; third_finger,70; fourth_finger, 48; ^fifth finger, 48; ear from meatus, 11.6; ear from crown, 10; skull, greatest length, 13.3(14.2)*; condylobasal length, ^12.6 (13.4);

median

palatelength,6.2 (6.5); zygomaticbreadth,^8.2(8.7); interorbital constric- tion, 3 (3) ; breadth of braincase, ⁷ (7.2); depth of braincase including audital_bullae,5.5 _(6.5); mandible,^9.5 (10); maxillarytoothrow exclusive ofincisors (alveoli), 5.2 (5 8) ; mandibular toothrowexclusive ofincisors (alveoli), 5.7_(6.2).

Specimens examhied.

— _Two,

thetype from

Burma, and

a second specimen (female, No.

iHf

f)froJ^Cambodia.

Measurementsinparenthesis are those ofan adult female Kerivoulahardwickii fromwestern Java (No.141,590).