FISHES OF SINALOA. 437 



Head 3; depth 2; dorsal V-i, 15; anal (II) I-14; 

 eye 4 in head; snout i^ ; maxillary 2^ ; ventral 3/^; 

 caudal lobes equal to head; pectoral one-eighth longer 

 than head. 



Body compressed and elevated; profile oblique, con- 

 cave over snout then straight to occiput, which is well 

 rounded; line of back straight to soft dorsal, then lightly 

 curved to caudal peduncle; ventral outline rounded on 

 breast to ventrals, then straight to anal, forming an angle 

 at first ray, then straight to caudal peduncle. Mouth 

 projecting, with minute teeth on jaws, vomer, palatines, 

 and tongue; gill -rakers thick and blunt, many of them 

 knobbed at tip — in old examples at least, one above angle 

 with 3 or 4 rudimentary ones, and 13 below. A large 

 bony knob at occiput, conspicuous in adult, the thickened 

 supraoccipital crest. 



Pectoral falcate, reaching to tenth anal ray; dorsal and 

 anal lobes filamentous, reaching past tips of caudal lobes; 

 lateral line strongly arched; curve equal to straight part. 

 Color silvery, with bluish reflections above, dorsal and 

 caudal dark, pectoral, ventral and anal white; axil dusky. 



94. Selene vomer (Linnaeus). 



One large specimen obtained by us. Recorded by Dr. 

 Gilbert as common at Mazatlan and Panama. It perhaps 

 disappears with the end of the autumn, going farther 

 south. 



95. Trachinotus paloma Jordan & Starks, n. sp. Pa- 



LOMA. 



A few small specimens taken in the surf at Puerto 

 Viejo, just north of Mazatlan; other specimens were 

 taken by Mr. Xantus on Cape San Lucas, and still others 

 were obtained by Dr. Gilbert in San Juan Lagoon. The 

 species is apparently not common, and it is not known to 



