110 TELEOSTEI: ACANTHOPTERI. — XX. 
283. S. vomer (L.). Moon-risu. Horsr-Heap. Loox-pown. 
Adult with soft rays of D. and A. much produced; young with 
dorsal spines and V. variously elongate, these fins short with age. 
Silvery. Head 3; depth 14. L.12. Warm seas, frequently N. 
to Cape Cod. 
138. CHLOROSCOMBRUS Girard. (xAwpds, green; oxopufpos, 
mackerel, ) 
284. C. chrysurus (L.). Bumper. CasaABe. Greenish; 
sides and below golden; a dark blotch on back of tail; head deep; 
mouth very oblique; P. very long; chord of arch of lateral line 14 
to 12 in straight part; no scutes. Head 33; depth 2}. D. VIII-1, 
26. <A. I[-1, 26. L. 9. W. Indies, rare N. (xpvods, gold; 
ovpd, tail.) 
139. TRACHINOTUS Lacépede. PoMPaNos. (rpayis, 
rough; v@ros, back.) 
a. Dorsal with 19 to 20 soft rays; anal with 17 to 19. 
b. Body broadly ovate, its depth at all ages more than half the body; sides 
without black bars. 
285. T. falcatus (L.). Rounp Pompano. PALOMETA. Body 
deep; profile from nostril to dorsal everywhere about equally con- 
vex; lobes of D. and A. high, reaching in adult beyond middle of 
fin; bluish, sides silvery; lobes of D. black in young; no axillary 
spot. Head 33; depth 13. L. 20. Warm seas, occasional N. to 
N. Y. (T. ovatus (L.); T. rhomboides Bloch.) (Lat., scythe- 
shaped.) 
aa. Dorsal with 25 soft rays; anal with 22; body oblong, rather robust. 
286. T. carolinus (L.). Common Pompano.  Bluish, golden 
below; changes greatly with age, the young deeper, with conspic- 
uous fin-spines, and with teeth in jaws; D. and A. lobes about 
reaching middle of fins. Head 4; depth 22. L.18. Gulf Coast, 
etc., N. to Cape Cod, common §.; a famous food fish. 
140. NAUCRATES Rafinesque. (vavxpdrns, pilot.) 
287. N. ductor (L.). PrLot-risH. Romero. Bluish with 
about 6 broad dark vertical bars. Head 4; depth 4. D. IV -—1, 26. 
A. II-1, 16. Pelagic; occasional on our coast. (Hu.) (Lat., 
guide. ) 
141. SERIOLA Cuvier. AMBER-FISHES. (An Italian name.) 
288. S. zonata (Mitchill). Rupper-risn. Bluish, with 6 
broad black bars, which fade or disappear with age; an oblique 
dark band from eye to spinous dorsal; V. mostly black. Head 
longer than deep; occiput compressed; tail keeled. Head 3}; 
depth 34. D. VII-1, 38. A. I[-1, 21. L. 30. Cape Cod to 
W.1I, not rare. (Lat., banded.) 
