SCOMBRID, — LY. 105 
uw, Finlets present (5 to 10 in number) behind D. and A.; dorsal spines less 
than 25. (Scombrine.) 
6, Caudal peduncle with median keel, a small keel above and below this. 
c. Body wholly covered with small scales, those on the “corselet’? and 
lateral line sometimes larger; vertebra normal. 
d. Teeth of jaws strong, subtriangular, more or less compressed; teeth 
on vomer and palatines villiform; gill rakers few; corselet ob- 
scure; dorsal spines 14 to 18; body compressed; head short; 
vertebrae 45. Caer ee » . . « ScomBEeromorvs, 125. 
dd. Teeth of jaws subconie, sesneels compressed; gill rakers numerous ; 
corselet distinct. 
e. Vomer toothless; palatines with one row of strong conical teeth; 
body elongate; vertebra about 52. . . . . . Sanna, 126. 
ee. Vomer and pees with sand-like teeth; body robust; vertebrae 
40. ... » .« « « ALBACORA, 127. 
ec. Body scaleless, excepting | on : wareatet: and about lateral line; abdo- 
minal vertebre with enlarged foramina and a trellis-like structure 
between the vertebra proper and the hemapophyses; vertebrae 
about 38. 
J. Dorsals close together, the interspace about 5 in head; palatine 
teeth villiform; no teeth on vomer.. . GYMNOSARDA, 128. 
Jf. Dorsals well separated, the interspace more than half head ; 
teeth small, on vomer and not on palatines; gill rakers 
numerous... . . . . Avuxis, 129, 
6. Caudal peduncle without stiedlian "keel (the iro ewer keels present as 
usual); dorsals well separated, the interspace more than half head; 
spinous dorsal short; body scaly; corselet obsolete; vertebrae normal, 
about 31, in aunibers teeth slender, on ibe vomer and palatines ; 
gill rakers long, numerous. . . . . + . » ScomMBER, 180. 
125. SCOMBEROMORUS Lacépéde. (oxéu8pos, Scomber ; 
6popos, near.) 
a. Gill rakers short, thick, less than X + 8; dorsal spines 14 or 15. 
263. S. cavalla (Cuvier). Kine-risu. Lateral line abruptly 
bent below soft D. Iron gray, nearly plain; spinous D. not black. 
Head 5; depth 6. D. XV-15-VIII. A. II-15-VIII. L. 6. 
W. Indies, rarely N., a fine food-fish. (Spanish, horse.) 
aa. Gill rakers rather long and slender, more than X +8; dorsal spines 17 
or 18; lateral line wavy, not abruptly bent; teeth strong; spinous dor- 
sal largely black. 
6. Side with one or two narrow blackish stripes breaking up posteriorly 
into irregular spots; similar spots usually present below these. 
264. S. regalis (Bloch). Sierra. Pintapo. Teeth 40 in 
each jaw; snout bluntish. Head 4}; depth 44. D. XVIII-16- 
VINI. A. I[-14-—VIII. L. 2} feet. W. Indies, rarely N. 
bb. Sides with numerous round bronze spots, but never with dark longitu- 
dinal stripe. 
265. S. maculatus (Mitchill). Spanish MackereL. Bluish 
above, sides silvery; teeth about 30 in each jaw; snout pointed. 
