316 BULLETIN OF THE UNITED STATES FISH COMMISSION. 



ee. Gill-rakers not very short, nearly or quite as long as pupil ; mouth rather 

 large, terminal or nearly so ; anterior profile scarcely concave; 

 caudal rounded or doable truncate. 

 h. Teeth of lower jaw subequal, forming a rather narrow villiform band; 

 preopercle with strong teeth, the lowest one directed down- 

 ward. 

 i. Snout bluutish ; the head rather stout and broad above ; interorbital 

 space broader than eye; dorsal spines rather slender; anal 

 spine moderate, 2 in head; pectorals moderate, 1^ in head; 

 preopercle strongly curved, somewhat V-shaped. Color brassy, 

 with faint dark stripes along the rows of scales; lower fins 

 more or less dusky. D. X-I, 21 ; A. II, 9 ; Lat. 1. 53. 



ClIKYSOLEUCA.* 



a. Snout sharp; the head slecder, narrow above; interorbital space 

 not broader than eye; dorsal spines strong; anal spine very 

 strong, If in head; pectoral short, 1^ in head; preopercle not 

 strongly curved. Color bluish above, silvery below; lower 



fins pale. D. X-I, 22; A. II, 8; Lat. 1. 52 Armata.I 



hh. Teeth of lower jaw not villiform, unequal, pointed, in a very narrow 

 band. Color bluish silvery; the loAver fins pale. {Bairdiella 

 Gill.) 

 ;'. Preopercle with strong teeth, the lower tooth largest, directed 

 downward and forward ; second anal spine very large. 

 k. Eye moderate, not longer than snout, 4 to 5 in head; snout 

 not very blunt ; dorsal spines very slender ; soft dorsal moder- 

 ate, the longest rays less than half length of head; second 

 anal spiue two-thirds length of head; body rather elongate, 

 the depth 3| iu length. D..X-I, 26; A. II, 8; Lat. 1. 54. 



ICISTIA. 



kk. Eye very large, longer than snout, 3 to 4 in head ; snout very 

 blunt; dorsal spines comparatively stitt; soft dorsal high, its 

 longest rays about half head; second anal spine very large, 

 four-fifths head; body not very elongate, the depth about 3^ 



in length. D. X-I, 23; A. II, 8; Lat. 1.57 Ensikera. 



jj. Preopercle with fine uniform teeth, none of them directed down- 

 ward; second anal spine small, 2f in head; eye very large, 

 longer than snout, 3 to 4 iu head ; dorsal spines rather slender; 

 hody deep, depth 2| in length. D. XI-I, 26; A. II, 10; Lat. 1. 



50 MACROPS.t 



aa. Lower jaw with two slender canines in front, the other teeth unequal, not villi- 

 form, in few seviea {Odoutoscion Gill) ; mouth large, oblique, lower 

 jaw slightly projecting ; preopercle with a few rather strong 

 teeth, the lower one largest and directed downwards; snout 

 rather pointed; eye large, longer than snout; dorsal spines 

 very slender ; anal very small, its spine small, 3 in bead ; body 

 rather elongate, depth 3f iu length. Color silvery, bluish 

 above ; lower fins pale. D. X-I, 23 ; A. II, 8 ; Lat. 1. 58. 



Abchidium. 



* Corvina chrysolcuca Gilnther, Fish. Centr. Amer. 1869, 427, pi. Ixvii, f, 1: 1 Sciwna 

 aluta Jor. & Gilb. Proc. U. S. Nat. Mus. iv, 1881, 332; probably the same species, but 

 with D. X-I, 19; Lat. 1. 45, etc. La Union (Nichols Coll ); Panama {Gthr, Gilb,). 



i Bairdiella armata Gill, Proc. Ac. Nat. Sci. Phila. 1863, 164: Corvina (Homoprion) 

 acutirostris, Steiudachner, Ichthyol. Beitr. iii, 28, 1875, taf. iv. Panama (Gi??; Steind. 

 Gilb.). 



t Corvina macrops Steindachner, Ichthyol. Beitr. iii, 1875, 24, taf. ii, Panama 

 {Steind.). 



