110 TELEOSTEI: ACANTHOPTERI, — XX. 
283. S. vomer (L.). Moon-risn. Horsr-neap. Look-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 1}. L.12. Warm seas, frequently N. 
to Cape Cod. 
138. CHLOROSCOMBRUS Girard. (xAapés, green; oxduBpos, 
mackerel.) 
284. C. chrysurus (L.). Bumper. CasasBe. 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; depth2}. D. VIII-1, 
26. A. IL-1, 26. L. 9. W. Indies, rare N. (ypvods, gold; 
ovpd, tail.) 
139. TRACHINOTUS Lacépéde. Pompanos. (rpayus, 
rough; véros, 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. Patometa. 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 18. 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 8.; a famous food fish. 
140. NAUCRATES Rafinesque. (vavepdrns, pilot.) 
287. N. ductor (L.). PiLot-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. (Eu.) (Lat., 
guide.) 
141. SERIOLA Cuvier. Amprr-risHEes. (An Italian name.) 
288. S. zonata (Mitchill). Rupper-risH. 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 33. D. VII-1, 38, A. I[-1, 21. L. 30. Cape Cod to 
W.I, not rare. (Lat., banded.) 
