362 SNODGRASS AND HELLER 



Family CARANGID.E. 



47. ELAGATIS BIPINNULATUS (Quoy & Gaimard). 



Seriola bipinnulata QUOY & GAIMARD, Voy. Uranie, Zool., i, 363, pi. 61, fig. 



3, 1824, Keeling Islands. 

 Elagatis bipinnulatus, JORDAN & EVERMANN, Fishes North and Mid. Amer., 



i, 906. 



Range. Intertropical. 



One specimen taken in July between the Galapagos and Clipperton 

 islands, 4 30' N. ; 97 30' W. Length 785 mm. 



48. DECAPTURUS SCOMBRINUS (Valenciennes). 



Caranx scombrinus VALENCIENNES, Voyage de la Venus, 332, pi. 7, fig. i, 



1846, Galapagos Islands. 



Decapterus hypodus, JORDAN & BOLLMAN, Proc. U. S. Nat. Mus. 1889, 180. 

 Decapterus scombrinus, JORDAN & EVERMANN, Fishes North and Mid. Amer., 



i, 908, 1896. 



Range. Galapagos Islands. 



Three adult examples of this species, two taken at Tagus Cove, 

 Albemarle, and the other at Hood Island ; and numerous young from 

 Chatham Island. 



Since the only description extant of this species is that of Valenci- 

 ennes we give the following description based on our specimens : 



Profile regularly fusiform ; caudal peduncle wide, depressed ; cau- 

 dal fin deeply forked. Head 3f; depth 4*-. D. VIII-I, 27-1 ( = 

 IX, 28) ; A. II I, 231. Maxillary 3 in head, reaching front of eye; 

 tip of lower jaw very slightly projecting; eye 4 in head, somewhat 

 narrower than interorbital space, with concentric adipose eyelid be- 

 fore, and one behind ; first dorsal spine about -J- of second, shorter 

 than the third which is longest; the eighth very short; the ninth, 

 detached from the others and united with the soft dorsal, \ length 

 of first soft ray and of fifth spine ; anterior rays of soft dorsal 

 longest ; anal with two detached spines, the first equal to one half 

 of interorbital space, longer than the second; the third attached to 

 soft part of anal fin, slightly longer than the first; soft anal similar to 

 soft dorsal ; upper jaw almost toothless, there being only a few minute 

 teeth in the front of the jaw; lower jaw with a series of larger, but 

 very small teeth; vomer and palatines toothless ; a median longitudinal 

 patch of small teeth on the tongue. 



Head and body everywhere scaly except before eyes, anterior 

 five eighths of lateral line convex dorsal ly, posterior part straight; its 

 entire length marked by a row of prominent scales, each with a trifid 

 tubule ; scales of posterior part of lateral line enlarged, each bearing 



