43G CONTRIRUTIOXS to north AMERICAN ICHTHYOLOGY IV. 
cst ray nearly lialf length of head, the last rays of the fin scarcely rising 
above the scaly sheath. Head 4; depth D. VIII-I, 24; A. II-I, 
21; Lat. 1. 41 (developed scutes). San Diego, Cal., to South America. 
(Description from original types of T. hoops.) 
( Trachurm hoops Girard, U. S. Pac. R. R. Surv. Fish. 1859, 108, not Caranx hoops of 
C. &V. : Caranx cafta/hts Gunther, Trans. Zool. Soc. Lond.'1869, 431: Caranx girardi 
Steindachner.) 
687. C. ribi Poey. 
Dusky bluish, golden below, without spots. Body rather elongate, not 
elevated, muzzle pointed. Profile regularly curved. Maxillary reaching 
front of eye. Teeth villifoim on jaws, vomer, and palatines. Breast 
and vertical fins scaly. Last spine of dorsal short, strong, free. Pec- 
torals as long as depth of body, falcate; ventrals short. Eye 44 in 
head. Head 3^; depth 3. D. VIII-I, 25; A. II-I, 22. West Indies, 
north to Florida. 
(Poey.Memorias, ii, 224, 1858.) 
cc. Depth more than one-third the length. 
688. C. beani Jordan. 
Silvery, bluish above ; no black spot on opercles or fins ; spinous 
dorsal and axil dusky. Body ovate, deep and compressed, somewhat 
elliptical ; the jn'otile anteriorly not elevated, forming an even curve con- 
tinuous from Uie snout to the base of the dorsal, the snout therefore not 
blunt. Top of head not much comiiressed. Premaxillaries on the level 
of the lower edge of the impil ; maxillary not reaching to opposite the 
front of the pupil. Teeth rather small, in a narrow band on each jaw, 
without distinct canines; villiform teeth on tongue, vomer, and palatines. 
Cheek about as deep as the eye, which is rather small, considerably 
shorter than snout ; adipose eyelid little developed. Gill-rakers long. 
Breast entirely scaly ; soft parts of the vertical fins densely, covered with 
small scales. Pectoral fin falcate, a little shorter than the head, reach- 
ing past the front of the anal ; caudal equally forked. Plates of lateral 
line small. Head 3^; depth 2^. D, VlII-I, 27; A. II-I, 23 ; Lat. 1. 28. 
Beaufort, North Carolina. 
(Jordan, Proc. U. S. Nat. Mus. 1880, 486.) 
689. C. falcatiis Holbr. 
Greenish above with blue reflectionsj sides and below golden or 
silvery ; caudal fin j^ellow, inner edge of upper lobe black ; a black axil- 
lary spot, opercle faintly blotched. Body oval, much compressed, with 
the axis nearly midway between the back and belly; profile very con- 
