[13] REVIEW OF THE SCI/ENIDiE. 355 



snout; eye 7£ in head; maxillary very 

 broad, its tip 6 in head; canines two, 

 short and stout ; lateral teeth of lower 

 jaw moderate ; gill-rakers X + 10, rather 

 long and slender, the longest f eye; 

 pseudobranchiae often obsolete on one 

 side ; dorsal spines high, the longest 2-fo 

 in head; soft dorsal moderately scaly, 

 the distal half of the rays largely naked ; 

 middle rays of caudal produced; P. li 

 in head ; ventrals a trifle shorter ; color 

 pale, bluish above, silvery below, axil 

 and inside of opercle a little dusky; 

 head 3| ; depth 4. D. IX— 1, 19 ; A. I, 9 ; 



scales about 65 PKiEDATORius, 5. 



ee. Mouth moderate, not very oblique; the maxillary extending little be- 

 yond eye, its length about 2J in head. 

 /. Snout short, bluntish, 4J in head; mouth smaller and less oblique than 



in most of the species, the canines quite 

 small; the lateral teeth of lower jaw 

 smaller and more nearly equal than in 

 others; lower jaw a little protruding; 

 maxillary extending to posterior margin 

 of eye, 2£ in head ; gill-rakers 3+10, 

 those near the angle rather long, £ eye, 

 the others rapidly shortened ; eye large, 

 5f in head ; soft dorsal and anal scantily 

 scaled, the distal half largely naked, the 

 fins rather high, the longest soft rays 2£ 

 in head ; caudal pointed ; pectorals 1^ in 

 head, not reaching tips of ventrals; 

 color pale, with faint darker streaks 

 along sides of back ; axil pale ; opercle 

 dusky within ; head 3* ; depth 4. D. X- 



1,20; A. I, 8; scales 66 Acoupa, 6. 



ff. Snout loug, about 3Jin head ; maxillary reaching a little beyond eye; 



pectoral shortish, If in head ; lower jaw 

 very prominent ; lateral line becoming 

 straight opposite front of anal ; dorsal 

 spines weak, the longest 2| in head ; 

 color uniform silvery, sides minutely 

 punctulate; axil brown, ventrals yellow- 

 ish ; head 3£ in length ; depth 4. D. VIII- 

 1,21 or 22; A. II, 10; scales 10-70-23. 



Squamipinnis, 7. 

 drf. Caudal fin lunate or subtruncate, the middle rays shorter than the upper 



ones. 

 g. Coloration nearly plain, bluish above, silvery below ; anal rays II, 10, 



maxillary reaching a little beyond eye, 

 2 $ in head ; body rather elongate, the 

 back somewhat elevated ; head com- 

 pressed, pointed, not conical ; eye moder- 

 ate, 6| in head, its width a little more 

 than interorbital space ; gill-rakers long 

 and strong, nearly as long as eye ; lateral 

 line becoming straight under soft dorsal ; 



