108 TELEOSTEI: ACAXTHOPTEPJ. — XX. 



cc. Pectoral fins short, not falcate. 

 t. Maxillary without supplemental bone; anal similar to soft dorsal; 

 its base much longer than abdomen; tail unarmed. (Trachinotince.) 

 j. Forehead convex; teeth small, lost with age; membrane of spinous 



dorsal disappearing with age Tbachlnotus, 139. 



ii. Maxillary with supplemental bone; A. shorter than soft D., its base 

 not longer than abdomen. (Seriolince.) 

 k. D. and A. without finlets. 



/. Membrane of D. spines disappearing with age. 



Naucrates, 140. 



U. Membrane of D. spines persistent Seriola, 141. 



Jck. D. and A. each followed by a two-rayed nulet. Elagatis, 142. 



131. OLIGOPLITES Gill. (oAiyor, small ; o/rXtr^s, armed.) 



273. O. saurus (Bloch & Schneider). Leather-Jacket. 

 Runner. Bluish, silvery below; fins yellow. Body lanceolate; 

 fins low. Head 5; depth 4. D. V-l, 20. A. II- 1, 20. L. 18. 

 Warm seas ; rarely N. (travpos, old name of some fish that skips 

 like a lizard.) 



132. DECAPTERUS Bleeker. (h(<a, ten ; Trrepov, fin.) 

 a. Scutes about 40; teeth present. 



274. D. punctatus (Agassiz). Scad. Cigar-fish. Round 

 Robin. Bluish ; a dark opercular spot ; about twelve small black 

 spots on lateral line anteriorly. Head 4j ; depth 5. D. VIII-1, 

 30-1. A. 11,-1, 24-1. L. 12. W. L, etc. ; occasional N. ; com- 

 mon S. (Lat., dotted.) 



aa. Scutes about 25 ; teeth obsolete. 



275. D. macarellus (Cuv. & Val.). Lateral line unspotted; 

 D. soft rays 33. A. 27 ; depth 5f. W. I., rarely X. 



133. TRACHURUS Rafinesque. (rpaxovpos, ancient name, from 

 rpaxvs, rough ; ovpd, tail.) 



276. T. trachurus (L.). Horse-mackerel. Saurel. Scutes 

 all large, about 72 (35-J-37) in number; depth about 4. D. 

 YIII-1, 29. A. II -1, 28. L. 12. S. Europe, etc., occasional 

 on our coast. (Eu.) 



134. TRACHUROPS Gill. (Trachurus; city, appearance.) 



277. T. crumenophthalmus (Bloch). Big-eyed Scad. Chi- 

 ciiarro. Goggler. Eye very large, 3 in head, with very large 

 adipose eyelid; scutes 40. Head 3£; depth 3^. D. VIII-1, 26. 

 A. 11-1,22. L. 12. Warm seas. N. to Cape Cod. (Lat., 

 crumena, purse ; odcpaXpos, eye.) 



135. CARANX Lacepede. (A corruption of the Portuguese 

 Acarauna, French Carangue.) 



a. Teeth in jaws in few series, unequal, those above enlarged, those below 

 uniserial; teeth on vomer, palatines '.md tongue; soft dorsal and anal 

 falcate in front ; maxillary broad. (Carutix.) 



