dorsal base and a small dark spot at hind edge of gill- 
opening. 
2 Ann. N. Y. Acad., vol.7,1894, p.627. 
3 Sitz. Als. Wiss. Wien, vol. (1) 80, 1879, p. 182. Rio Janeiro. 
4 Syst. Ich. Bloch, 1801, p. 4¢7, Brazil. 
My 
ce a ee 
Sardinia sagax (Jenyns). Vuy, /5- 
sis satel laa 
Head 3 1/6 to 3 1/5; depth 4 to 4 1/5; D. iii, 14? or 
15; A. iii, 14%or 15} scales 52? to 55 to caudal base; 12 
to 14 scales transversely between dorsal and ventral origins; 
predorsal scales 17 to 22; snout 3 1/3 to 3 2/5 in head from 
upper jaw tip; eye 43 to 5 2/5; maxillary 2 1/6 to 24; inter- 
orbital 44 to 4 4/5; serrae 18 to 21 +14?or 152. 
Elongately ovoid, deepest at dorsal origin, well compres- 
sed; least depth of caudal peduncle 1 1/3 its length or 3 1/8 
in head from upper jaw tip. Head width 2 1/8 to 2% in its 
total length. Snout width 1 1/4 to 2 in its length. Hind 
pupil edge slightly advanced from middle in head length; 
adipose*eyelid well developed. Mouth smell, gape short. Maxil- 
lary nearly or quite to pupil center, about first 3/5 of 
upper edge slipping below preorbital; expansion 1 7/8 in eye. 
Mendibular rami well elevated inside mouth. Interorbital level, 
with low median ridge and 3 smaller supercilliary ridges 
each side. Cheek and preopercie with 6 to 8 obsolete to very 
prominent striae. Gill-rakers about 48 tO. O56 + 75 to Gd7, 
very slender, fine, 2/5 longer than filaments or about 
equal 1 2/5 eye. diameter. Scales with circuli as parallel 
vertical striae, not over basal surface, single transverse 
complete subbasal stria, and 11 to 12 marginal striae. Dorsal 
