107. COTTIDJE - 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; ux}^ appearance.) 



1O95. T. pinigeli Reinli. 



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, placed high, but 

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

 dle of orbit; nasal spines sharp. Ventral fins rather short; pectorals 

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

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

 land and Cape Cod. 



(Reinhardt, Vid. Selsk. Natur. v, lit; Giinther, ii, 173: Trlglops pleurostictus Cope, 

 Proc. Acad. Nat. Sci. Phil. 1865.) 



373. LEPTOCOTTUS Girard. 

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



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

 depressed, obloug, 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; preopercular spine strong, with two 

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

 dorsal short and small, entire; ventrals I, 4. Pacific coast. (Ac-?, 

 slender; xorroc, Cottus.) 



1O96. Li. armatus 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 bands; 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 flattish, covered with rugose skin; upper preopercular spine with 

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

 reaching preopercle; eye very small, less than iuterocular width, 7 

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

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



