107. COTTID^ LEPTOCOTTUS. 713 



minute rough scales, causing it to appear sharply and finely serrate. 

 Gill-membranes united, free from the isthmus; a distinct slit behind 

 last gill. Dorsal spines rather high and slender; ventrals apparently 

 1,3. Arctic seas. (r/);^Aa, Trigla; w^'-, appearance.) 



1095. T. pingrcli Eeiuh. 



Olivaceous, somewhat variegated with darker; fins barred; a series 

 of dusky spots along sides; an ocellated black spot on posterior part 

 of spinous dorsal. Head very slender; eye large, jdaced high, but 

 lateral; preopercular spines short; maxillary extending to below mid- 

 dle of orbit; nasal spines sharp. Ventral fins rather short; i)ectorals 

 extending to front of anal; tail very slender, its diameter less than the 

 eye; anal papilla large. Head 3 J. D. IX-21; A. 21. Alaska to Green- 

 land and Cape Cod. 



(Reiuhardt, Vid. Sclsk. Xatur, v, lii; Giiiither, ii, 173: Triglops x>Uurostwtus Cope, 

 Proc. Acad. Nat. Sci. Phil. 1S65.) 



373.— L.EPTOCOTTUS Girard. 



(Girard, Proc. Acad. Nat. Sci. Phila. 1854, 130: type Leptocottus armatus Grd.) 



Body elongate, depressed, covered with perfectly smooth skin. Head 

 depressed, oblong, not very broad, without cirri; lower jaw included; 

 suborbital stay narrow; teeth on jaws, vomer, and palatines. Gill- 

 membranes rather narrowly joined to the isthmus, not forming a fold 

 across it; a slit behind fourth gill; preoj^ercular spine strong, with two 

 or three points hooked upwards. Dorsal fins separate; the spinous 

 dorsal short and small, entire; ventrals I, 4. Pacific coast, (/srrocj, 

 slender; xottix:, Cottus.) 



1096. 1.. ariiiattis Grd. 



Grayish olive above, becoming abruptly white and silvery below; 

 sides creamy; pectoral fins creamy yellow, with five or six black cross- 

 bars; spinous dorsal dusky, with an ink-like blotch on tip of last rays, 

 and an oblique white baud below; soft dorsal dusky, with several ob- 

 lique white bauds; caudal banded; ventrals and anal plain. Head long 

 and depressed; mouth large, the maxillary reaching beyond eye; inter- 

 orbital space broad, scarcely concave; nasal spines concealed; top of 

 head fiattish, covered with rugose skin; upper preopercular spine with 

 three or four spinules hooked upwards; suborbital stay slender, not 

 reachiug preopercle; eye very small, less than interocular width, 7^ 

 in head; lateral line complete; skin everywhere smooth; no prickles 

 nor cirri. Dorsal spines very slender and low; jjectorals reaching 



