leof a ff 
Ophichthus callaensis Gunther. tay 4+]. 
f 
Head 74 to 8; depth 19 1/5 to 20; snout 5 1/5 to 6¢ 
in head; gape 2 1/3 to 2 7/8; interorbital 8% to 10; mandi- 
ble 2 1/6 to 2; pectoral 22 to 2 7/8. Body moderately com- 
pressed, combined head and trunk 1 2/5 to 1 3/5 in tail. 
Head width 3+ to 3 2/3 in its length. Snout conic, length 
ix in its width. Eye elongate, pupil edge about first 
fourth in head; eye 11/3 to 14 in snout. No eyelids. Gape 
large, reaches back nearly an eye-diameter beyond eye. Lips 
moderate. Upper jaw extends about half an eye-diameter bey- 
ond lower. Six large canines form angle in front of upper 
jaw. Jaw teeth biserial, several front ones slightly enlarg- 
ed below. Row of simple pointed vomerine teeth, front ones 
little enlarged. Tongue fleshy, not free. Front nostril in 
short simple tube along upper lip about first third in snout. 
Hind nostril slit in upper lip close before eye. Interorb- 
AI + CR re see se EERIE Cee: = EES a ne eR er me Oe RS. een | a 
ol Au. Amer Sua. Ferss; , 3655, p. 84; Pi. 44, fig. 2. Rio 
Janeiro. 
ital nearly level. Gill-opening about long as snout, or 
equal snout with 2/3 of eye in young. Dorsal begins opposite 
pectoral tip. Anal little lower than dorsal. End of tail 
strongly compressed, coriaceous, both dorsal and anal at 
hind ends slightly elevated or expended. I 
Color in alcohol: uniform brownish largely, slightly 
paler below. Length 320 to 454 mm. Three examples without 
