PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 431 



ft. Vomerine teetli formiug an t (anchor) shaped patch, with a distinct 



backward prolongation on the median hne ; sec- 

 ond anal spine longer and stronger tlian thinl ; 

 upper canines very strong ; in lower, moderate 

 or small. 

 i. Scales above lateral line in horizontal series which are throughout 

 parallel with the lateral line; upper canines 

 strong; snout long and pointed; pectoral fm 

 long ; color brownish, with faint silvery streaks 

 along rows of scales on sides, a pale-blue streak 

 along suborbital and preorbltal ; ilus pale. 



Argentiventkis, 2. 



ii Scales above lateral line arranged in series which are not through- 

 out parallel with the lateral line, being oblique 

 and irregular at least below the second dorsal. 

 j. Body comparatively deep, the depth about 2i in length; snout 

 long and pointed; toft dorsal, anal, and caudal 

 orange or yellow, becoming pale in spirits, 

 fc. Scales unusually large ;' five or six in an oblique series from 

 first dorsal to lateral line; about 45 vertical 

 series above lateral line between gill-opening 

 and base of caudal; lateral line with less than 

 40 pores ; blue streak on suborbital region not 



permanent Caxis, .}. 



M. Scales moderate, about nine in an oblique series from first 

 dorsal to lateral line; about 55 vertical series 

 above lateral line between gill-opening and base 

 of caudal ; lateral line with more than 40 pore.-, ; 

 a whitish area below eye ; blue streak along sub- 

 orbital region usually not disappearing with 



age Jocu, 4. 



jj. Body comparatively elongate, the depth 2i to 3 in leugth; 

 snout rather poiuted; mouth large ; soft dorsal, 

 anal, and caudal blackish, tinged with wine 

 color, always becoming dusky in spirits; body 

 dark greenish, more or less reddish below ; blue 

 streak on preorbital disappearing early. 



Gkiseus, 5. 



hh. Vomerine teeth forming a A or f-shaped patch, the backward 



prolongation on median line wanting or very 

 short ; scales above lateral line in oblique series^ 

 which are not throughout parallel with lateral 

 line ; body comparatively elongate, the depth S 

 to 3i in length ; upper and lower canines very 

 strong ; mouth large ; vertical fins dusky. 



I. Maxillary reaching middle of eye, 2^ in head. . .Cubeka, 6. 



U. Maxillary barely reaching to opposite front of orbit, 2f in 



Jiead No VEMFASCIATUS, 7. 



gg. Developed gill-rakers about ten, with about five rudiments before 



them; canines moderate; caudal somewhat 

 forked; vomerine teeth in a t-shaped patch; 

 eye large; color chiefly red; scales above lateral 

 line in oblique series. 



