65 FISHES OF SINALOA. 437 
Head 3; depth 2; dorsal: V—r,,15; anal (IL). 1-14; 
eye 4 in head; snout 134; maxillary 234; 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 (Linnzus). 
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. 
Q5. 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 1s apparently not common, and it is not known to 
