400 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [58] 



aa. Preoperule, with its bony margin sharply serrate in young examples, becoming en- 

 tire with age : body rather elongate, not much com- 

 pressed. (Sciwnops Gill.) 

 i. Caudal fiu slightly concave, about half as long as head; a large black 

 ocellus at its base above. Body elongate, rather ro- 

 bust, back somewhat arched; profile rather steep, 

 somewhat convex ; head long, rather low ; eye 

 small, 7 in head ; snout bluntish, rather long, 4 in 

 head ; mouth large, nearly horizontal ; maxillary not 

 quite reaching posterior border of orbit, 2£ in head; 

 teeth in both jaws in villiform bauds, the outer 

 series of the upper jaw much enlarged ; lower teeth 

 subequal ; gill-rakers 5 -f- 7, shorter than the diam- 

 eter of the pupil ; longest dorsal spine 2£ in head ; 

 second anal spine If in the longest ray, 3J in head ; 

 pectorals as long as ventrals, 2 in head ; scales of 

 the breast imbedded, cycloid ; soft dorsal scaleless; 

 color grayish-silvery, iridescent ; each scale with a 

 center of dark points, these forming rather obscure, 

 irregular, undulating brown stripes along the rows 

 of scales ; a jet black ocellated spot about as large 

 as eye at base of caudal above ; this sometimes du- 

 plicated; the body occasionally covered with ocelli. 

 Head 3| in length ; depth 3£. D. X-I, 24 ; A. II, 8. 

 Scales 4-50-7 Ocellata, 63. 



aaa. Preopercle, with its bony margin entire or irregularly crenulate or ciliate, never 



distinctly serrate. 

 /. Secoud anal spine small and slender, 3J to 4^ in head ; mouth small, 

 the back not greatly elevated. 

 k. Body more or less elongate, little compressed, formed as in Ophi- 

 oscion; teeth of lower jaw equal (Johnitts Bloch). 

 I. [Caudal rhombic, its length J that of head ; no black ocellus at 

 its base. Body rather elongated, the form much as 

 in Scici'na (OpMoscion) typica, but the head less de- 

 pressed; profile, depressed above eye; eye 4 in head, 

 as long as the snout, which is rather long, bluntish 

 at tip ; preorbital, f length of eye ; mouth moderate, 

 horizontal; maxillary extending to below middle of 

 eye, 2^ in head ; teeth in many series ; outer series of 

 the upper jaw somewhat longer, those of the lower 

 jaw all subequal ; preopercle entire (in the figure) ; 

 scales of the cheek cycloid ; those of the opercle and 

 body ctenoid ; 46 series of scales above the lateral 

 line; 40 below it; spinous dorsal little longer than 

 high, the spiues slender, scarcely flexible, the third 

 longest, 2 in head ; soft dorsal densely scaly, the 

 longest ray 2| in head; second anal spiue small, lit- 

 tle longer than the eye, 3} in head; pectorals 1| in ' 

 head. Color, greenish or bluish gray above, silvery 

 below ; fins yellowish. Head 3£ to 3-A- ; depth 3£ to 

 3£; D. X-I, 28 or 29; A. II, 7; lateral line, 45.] 



(Bleeler.) Hetekolepis, 64. 



Ick. Body rather elongate, considerably compressed ; teeth in lower 

 jaw unequal, those of the inner series more or less 

 enlarged ; mouth rather large ; preopercle with flex- 

 ible serrae. 



