FISHES OF MEW YORK 437 



than the curve of the back; occiput and thoracic region trench- 

 ant; caudal peduncle very narrow, the fin widely forked; scales 

 small, smooth; lateral line arched in front, unarmed, or with 

 a few small plates; head nearly naked; preorbital low; mouth 

 rather small, oblique, lower jaw scarcely projecting, upper jaw 

 protractile; maxillary broad, emarginate behind, with a large 

 supplemental bone; jaws, vorner and palatines with feeble teeth, 

 mostly in single series; first dorsal of feeble spines, connected 

 by membrane; second dorsal and anal long and low, similar, 

 much longer than the short abdomen; no finlets. 



219 Chloroscombrus chrysurus (Linnaeus) 



Casahe; Bumper 



Scomber chri/siirus LINNAEUS, Syst. Nat. ed. XII, I, 494, 1766, Charleston. 

 Seriola cosmopolite CUVIEK & VALENCIENNES, Hist. Nat. Poiss. IX, 219, 



pi. 259, 1833; DE KAY, N. Y. Fauna, Fishes, 129, pi. 74, fig. 237, 1842. 

 CMoroscvmbrus cariVbaeus GIRARD, Mex. Bound. Surv. Zob'l. 21, pi. 9, fig. 



6, 1859, Joseph Island, Texas. 



Micropteryx clirysurus GUNTHER, Cat. Fish. Brit. Mus. II, 460, 1860. 

 <Jhloroscombrns cJtrysitrtis GILL, Proc. Ac. Nat. Sci. Phila. 437, 1862; JORDAN 



& GILBERT, Bull. 16, TJ. S. Nat. Mus. 441, 1883; JORDAN & EVERMANN, 



Bull. 47, U. S. Nat. Mus. 938, 1896, pi. CXLV, fig. 394, 1900. 



The depth of the body is contained two and one third times 

 In the length; length of head contained three and three fourths 

 times in the length of the body; head rather deep than long; 

 opercles very short; snout short; mouth very oblique; maxillary 

 reaching anterior margin of eye; eye very large, longer than 

 snout, about three in head; chord of curved part of lateral line 

 scarcely longer than head, one and two thirds to one and three 

 fourths times in length of straight part; lateral line w T holly un- 

 armed; caudal peduncle longer than deep, its diameter less than 

 that of the eye; ventral s very small, fitting into a groove in 

 which the vent is situated; pectorals long, falcate, one third the 

 length. D. VIII-I, 26; A. II-I, 26. 



Color of upper parts pale greenish; sides of head and body 

 silvery iridescent; a nearly square black blotch on caudal pedun- 

 cle above; dark spots on opercle and axil of pectoral; inside of 

 mouth black; first dorsal translucent with a yellow tinge ante- 

 riorly and with minute dusky points, second dorsal translucent 



