Crishan 1934 Bivomyzas crenatus. A female taken 25-ft. higher on ledge and 100 ft. from last. in a run between and protected on all side, but above by large rocks; no plants nearer than 6 ft.; still alive. Tule Tank Jan. 28, 1934. Male taken yesterday, escaped from pocket during morning, was found running around camp and caught; both died during night; made no attempt to build nest with cotton. ♂ had injured leg; not saved, measurements 179-108-20-21; wt. (left) 9.60g.; ♀ male made no. 238, seems to have only one horn to stern Took two individuals in traps set along NE wall of canyon with tank. A female, no. 236., twenty-five feet up on slope from canyon floor in trap under low palo verde bush from which bark had been eaten. A male, no 237, taken in narrow run between two rocks set on end, flat large hole at top; cuttings of palo verde numerous, these last presumably made by wood rat; two other traps set in same region unsprung.