NO. vm. J A I 'A XESE 8CLLPINS—J0RDA N AND ST A llKS. 311 



46. PSEUDOBLENNIUS COTTOIDES (Richardson). 



Podnhrnx rudoidcs Kr-iiahdson, Voy. 8ai)iaraii<i, Fishes, p. 13, pi. i, figs. 1-6. 



(Sea of Cliina). — (tuxthek, Cat. Fi^ih, II, 18(50, p. 152; same specimen.-. 

 Ce)it.ridrrinichllii/s jdjtuiiicux Sticindach.xeh, Iclitli. IVitr., .\, 1881, p. 187; 



Kanagawa, near Yokohama, Japan. — Steindac unek ami Doderlein, Fische 



Japan.«, IV, 1887, p. 259. 

 CeiitridermiddJijin <(Jfinis, Steindaciiner and iKioKKLEiN, Fi.sche Japans, IV, 1887, 



p. 257; Tango, Kanagawa. 



Head 2| to o in It'iioth without caudal; depth 4^ to -iL Dorsal 

 X-l!> or 20; anal 17 or IS; poi'es in lateral line 42. Eye -t.^ to 5 in 

 head (4 in .specimens 8 <;m. lon^); interorbital space 7^ to S; snout 8^ 

 to 3^; maxillarv 2i; height of caudle peduncle 5. 



Shape of head and })ody much as in I\ per('oi(l/.s,- the snout shorter, 

 the body taperino- into a moi'e slender, less compressed caudal pedun- 

 cle. Mouth i-ather large, the maxillary usually scarcely reaching to 

 posterior border of eye. Lower jaw included. Teeth as in /'*. j>/r- 

 ruidt's. Interorbital space with a narrow canal, hidden by the skin. 

 Superorbital tentacle Hat; its length usualh^ exceeding that of pupil: 

 a small nasal tentacle present. Snout longer than eye by about half the 

 diameter of the latter. If to 2 in postorbital part of the head. Prc- 

 opercle with a small, sharp, hooked spine at its edge opposite end of 

 suborl)ital stay and a very small spine hooked forward at its lower 

 anterior edge, completely covered by the skin. Nasal spines present, 

 but veiy small. A few small, rough, bony plates beneath and just 

 above pectoral. Skin otherwi.se perfectly smooth. 



Pectoral rays all simple, tip of tin reaching to front of anal; its 

 length If in head. Ventrals with 2 rays; their length 4 in head. First 

 and second spines of dorsal equal in length and slightly higher than 

 other spines, their length 3 in head; spinous dorsal rounded posteriorly. 

 Caudal v(M-y slightly concave, its length 1| in head. 



Color brown on back, lighter below, belly and lower parts white; 

 sides with rather conspicuous dark cross bars; usually tluMV are 2 

 rows of clear cut white spots, somewhat larger than pu])il along the 

 sides below the lateral line; man}' of the spots in the upper row run 

 together, tho.se in the lower row frequently half spots or rumiing into 

 the white of lower parts; lateral line running through a light streak: 

 on its upper edge are conspicuous small, dark, brown .spots irregularly 

 placed; 2 or 3 dark spots below' eve on cheek, 1 maxillaiy under 

 front of eye; chin with dark spots around its edge: snout dark: 

 spinous dor.sal transparent behind second or third spine, itordered 

 above and behind with dusky; ajuil and soft dorsal white with 5 or (> 

 black dots on each ra\' forming lines of dots obli(|uely across the tin 

 running backward and upward toward the body; membrane transpa- 

 rent; pectoral rays with similar spots, the lower rays white; a dark 

 spot at base of middle ravs and a similar smaller oiu^ on U)wer rays; 



