KAZUNAGI (8 WARMING EEL)

480 PROCEEDINGS OF THE NATIONAL MUSEUM.

^{vol xxv.}

Colorin spirits,yellowish- white,mottled

and

reticulatedwithdusky;

a series of about 17 dark,vertical bars on

upper

fourthof

body

ex- tending- to top of fin, the bars shaped

somewhat

like an hourglass, thelateralbordersblack, the

upper

insideparts

growing

lighterpos- teriorly,thebordersappearingas blacklines; middleof bod}-witha

row

of quadrangularspots with

narrow

bands extending

downward from

thecorners along sidesof bell}-; posterior to anal

opening

the barsarereplaced

by

a

network from which

l)lackish linespass

down

oyer the anal;

between

the

dark

lateral spots, at regular interyals, are circular spaces of the

body

color;

between

the dorsal

and

the

median

spotsisan indistinctlymottledarea; snout, interorbital space,

and

occiput,eachwith a liroad,transyerse,

dusky

band; awhite area with

wayy

borders extending

from

tipof snout to

end

of opercular flap; lower partofhead witha

network

oflinesinclosing 8or4spaces;

throat white; chin with 2

narrow

cross-bars; pectoralwitha

narrow

dusk}'bar extending

outward from

the ba^e to near middle of tin.

One specimen

is darker than the others, the color-patternbeing the same.

Fiye specimens, 60

mm.

long,

from Hakodate and

one

from

Otaru.

Found

liying

among

the algaeinshallowwater.

Type

No. 7075, L.S.Jr.Uniy.

Mus.;

cotype No.50277,U.S.N.

M.

The

species differs

from W.

2>ulcher as figured

and

descril)ed l)y

Steindachner in haying a longer

and more

pointed head, a shorter

mouth, and

incolor.

(Named

forDr.

Franz

Steindachner.)

16.

ZOARCHIAS Jordan and Snyder.

ZoarchinsJordanandSnydernew^emis,ofBlennikhv(reneficns).

This genusdiffers

from

Neozoarcexinthe

much

shorterspinousdor- sal

and

the

much

greater

number

ofraysinthe soft dorsal.

There

is

no

tentacleonthe forehead.

Northern

Japan.

(Name

modified

from

Zoarchiix, a

more

correct

form

of Zoarees.) 27.

ZOARCHIAS VENEFICUS

Jordan and^Snyder,newspecies.

vm. JA

PA NESE BLENXOID FISHES— JORDAN AND SNYDER. 481

palatines; gill-membranes

forming

broad fold across isthmus; gill- rakers on first arch al)out

3+12,

minute, slender, pointed; pseudo- liranchitelarge; head withoutfilamentsorpapilltv; nostrilswithtubes;

head naked;

body

with miiuite, circular,

deeply-embedded

scales;

no

lateral line.

Dorsal inserted above baseof pectoral,the spines strong,curved, pungent,theirlength

somewhat

lessthandiameterofor])it;

membrane

of fin thick anteriorly,

becoming somewhat

thinnerposteriorly, con- cealingthe spines

and

rays not incised

between

them; anal inserted ])eloweighteenthspine of dorsal, thespine strong,equal inheightto the rays,

which

are

somewhat

less than diameterof orbit;

membrane

offinnotincised; dorsal

and

anal confluentwith thecaudal,

which

is

sharplyrounded; pectoralrounded, Ifhead; noventrals.

Color in spirits,light brownish-yellow,

marked

with dusky; head clouded

and

reticulated above, almost immaculate below, the lower horde^1' of the clusk}^ color sharply defined

by

a

band from

snout through lower partof eye to opercle;

dusky

color of

body forming

a sortof

network

witha

row

of circular openings about the size of

^^^^^''^^'^'^'''''^^^

Fig. 19.—Zoaechiasveneficus.

pupil,extending along middleof side totail;

above

the larger open- ingsare

many

smallerones; prolongations extend

upward and down- ward from

the network,

forming

pointedvertical bars

on

thefins,21 on the dorsal,18 on the anal; sides of bellywith 4 or5pointedpro- jections; pectoralwithasmall

dark

spotatitsbase*

A

great

many

specimens

measuring

about 70 nun.,

were

collected at Hakodate. The}^

were

scooped

up

b}- the native children in large l)askets

from

the algae

growing

in the shallow water near shore.

Specimens were

also

found

at

Mororan and

^atOtaru.

Type

No.7076, L. S.Jr.Univ.

Mus.;

cotype No.50278,

U.S.N.M.

{I'enejicus^one

who

bewitches,

from

thebewilderingcoloration.) 17.

DICTYOSOMA

Schlegel.

Dicti/ommaScHhEGKL,Fauna.Japoiiica,Poiss., 1846, p.lo9{hvrgeri).

Body

elongate,covered withverysmall,

smooth

scales; lateralline

forming

an elaborate network;

two

series of

mucous

pores running longitudinally, connected

by

vertical cross lines.

Mouth

moderate, the jaws with small teeth;

no

teethon

vomer

or palatines; dorsalfin long, of

many

spines

and

a

few

softrays,the softpartpartly joinedto

Proc. N.

M.

vol.

XXV—

⁰² 31

482 PROCEEDINGS OF THE NATIONAL

MUSFAJM. ^vol.xxv.

the caudal; analwith

two

simple spines; ventrals reduced each to a scale-like projection,

which

disappearsinmaturity.

Japan.

(diKTVov^ net; ffdj/ua, bod3\)

28.

DICTYOSOMA BURGERI Van

der Hoeven.

DAINANGINPO (FORMOSA

SILVP]R-TAIL).

KAMI80RI UWO (RAZOR-

FISH).

Dictijosoma Schlegel, Fauna Japoniea,Poiss., 1846, ^11. 139, y>\. lxxiii, tijj. 3,

Shimabara, nearNagasaki.

Dictyosomaburgeri

Van

der Hoeven, Handbuch der Dierkunde, about 1850, p. 347.

—

Bleeker,Ichth.FaunaJapan, 1853,p.9; Kaminoseki.

Dictyosoma temminckiBleeker, Verb.Bat.Gen.,

XXV,

Japan,p. 42;Nagasaki.

—

GtJNTHER, Cat.Fish., Ill, 1861, p. 279,copied.— Ishikawa,Prel. Cat., 1897, p.35; Boshu,Misaki,Sagami Bay, Hakodate,Kishin.

Head

Giin length; depthTi; eye 6^ inhead; interorbitalspace13;

snout4^; D. LII,10; A. 1,42.

Snout

short, blunt, the

upper

part with a fleshy ridge,

which

con- tinues ))ackward to the occiput,

growing

lower posterior to eyes;

lower

jaw somewhat

longer thantheupper;

mouth

oblique,maxillary extendingslightly

beyond

a vertical

through

posterioredgeof orbit;

lips very large, thin; teeth in

narrow

bands on jaws, vomer,

and

palatines,theouter

row on

thejaws enlarged; gill-rakersonlirstarch 2

+

10, small, slender, rather widely spaced;

pseudobranchiw

large;

nostrilswith smalltubes;

no

filaments

on

head.

Head

naked;

body

covered with minute, rather deeply

embedded

scales; lateralline

forming

acomplicated

network

on body.

Dorsalinserted alittleposterior tobaseof pectoral,spinesgrowing- longerposteriorly,thelongest 3iⁱⁿhead; longestrays2^;

membrane

of tin thick

and

fleshy, concealing the spines, notincised; analspine weak, rays

becoming

longer posteriorly, those near middle of fin

measuring

3i ⁱⁿ head;

membrane

of fin thickened about the raj^s, incised

between

them, leaving the tips free; dorsal

and

anal united withthe caudal, there beinga small incision at theirunion; pectoral rounded, 2iⁱⁿhead; ventrals

sometimes

represented, usuallyinsmall specimens,

sometimes

inlarge ones,

by

apair of

minute

spines.

Color, blackish or bliush olive, the head lighter, finely speckled with blackish; abroad light

band

passing

downward

and ])ackward

from

eye.

Some

individuals have the

body

sparsely spotted with black.

'

Thisspecies isvery

abundant

in the rocky bays of middle Japan,

Our many

specimens are

from Aomori, Tokyo,

Misaki,

and Waka-

noura. Itreachesalengthof about 15inches,

and

often

comes

into themarkets.

(Named

for

Mr.

Burger,

who

collected specimens

and drawings

at NagasakiforSiebold

and

Schlegel.)

NO.1293.

JAPANESE BLENNOID FISHES— JORDAN AND SNYDER. 483

18.

OPISTHOCENTRUS Kner.

OpistIlucentrusKner,Sitsber.Akad.Wiss.Wien, 1868,p.49 {quinquemacidatus).

BlenniophidiumBoulenger,Proc.Zool. Soc.Lond., 1892,p.583{petropatili).

Body

moderately elongate, compressed, coyered with yery small cycloidscales; head withsmall scales;

mouth

small, protractile,with Heshylips; small conical teeth

on

jaws

and

on

vomer;

nocirri; gill-

membranes

l)roadlyconnected,])utfree

from

isthmus; I)ranchiostegals i: dorsal tin very long, extending

from

the nape tothe caudal, with whichit is subcontinuous,a

few

of the posteriorraysstiff spines, the restbeingsimple, notarticulate,flexible; analtinextending

from

the anus,

which

isalittlenearerthe anteriorthantheposteriorextremity, tothe caudal, with

two

slenderspinesin

advance

of the soft rays; no ventrals; nolateral line;

no prominent

anal papilUv; pyloricappend- agespresent.

A

remarkable genus, allied to

Lumjjenm,

orrather to PJeetohranchus,distinguished

by

having only theposterior spinesrigid.

North

Pacific.

{oniffOe^behind; Kevrpoi\spine.)

a. Dor«xlra.ysabout59; analII,36;not^harplydefined cross-streaksonhead; dorsal

finwithabout6blackocelli oceUatus, 29.

aa. Dorsal raysaliout 51;analII,33; head withsharply definedcross-lines likepen marks;dorsalfinwithabout^-11)lackishspots zonope, 30.

29.

OPISTHOCENTRUS OCELLATUS

(Tilesius).