CATALOGUE OF VERTEBRATES. 715 



D. macarellus, Cuv. & Val. Mackerel Scad. 



Silvery ; leaden below ; small spot on opercle ; a few more 

 rays in dorsal and anal than in above. From Cape Cod south- 

 ward. Scarce. 



CARANX, Lac. 

 (Paratractus. Trachurops. Carangus, &c.) 



O. crumenophthalmus, Bloch. Goggler. Big-eyed Scad. 



Small scales, with larger plates on lateral line, especially on 

 tail ; each plate armed with a spine ; preopercle serrate in young ; 

 small, uniform teeth present ; body elongate, spindle shaped ; 

 bluish olive above, silvery below ; opercular spot faint ; head 

 pointed ; lower jaw projecting ; a patch of teeth on tongue ; 

 adipose eyelid ; cheeks and breast scaly ; lateral line nearly 

 straight, its plates weak and little carinated. Dorsal rays, VIII 

 I, 26 ; anal rays, II I, 22 ; scutes, 35. 



" The writer has never met with a species of this fish 

 accredited to our coast, or rather the coast of the whole Atlan- 

 tic." [C. C. A.] 



O. chrysus, Mitch, (hippos, pisquetus.) Hard-tail. Jural. Crevall6. 

 Yellow Caranx. 



Body ovate, nearly fusiform ; greenish olive above, golden 

 yellow below ; a black blotch on opercle ; teeth comparatively 

 large, one series in lower, two in upper jaw ;' top of head naked, 

 with mucous pores; scutes developed whole length of lateral 

 line. Dorsal rays, VIII I, 24; anal rays, II I, 19; scutes, 

 50; length, 12 inches. 



"Paratractus hippos. 



" Not uncommon during the summer along our coast." 



The following remark probably refers to a variety of preced- 

 ing species : 



"Carangus chrysos. Yellow Caranx. 



" This species is not an abundant one on our coast, although 

 more so during some seasons than others." [C. C. A.] 



O. amblyrhynchus, Cuv. & Val. (falcatm.) 



Greenish above, with blue reflections ; sides and belly golden 

 or silvery ; tail fin yellow ; body ovate, deeper than preceding ; 

 mouth very small and oblique ; eye large ; lateral scutes strong ; 

 teeth strong, in one series ; cheeks naked ; lateral line strongly 

 arched ; scaly sheaths of dorsal and anal well developed ; pec- 



