Pomona College, Claremont, California 81 
Adipose fin 7.5 cm. from the dorsal at its base, % cm. broad at 
its attachment, length 3 cm. 
Side and ventral region of the head: 
Length of the mouth opening, 11.5 cm. Slit of gular fold, 6.5 
cm. from tip of lower jaw. Gular slit to end of operculum, 10 cm. 
Head narrow at level of the eyes; above it is 3.2 cm. Head at 
widest above is 3.5 cm. at the level of the eyes; back of this it is 
hardly more than 2 cm. Tip of jaw above, .5 cm. Tip of snout to 
nostril, 3.5 cm. Nostril, .5 cm. in diameter. Distance from nostril 
to eye, 2.8 cm. Whe nthe mouth is closed the lower jaw projects a 
