Murray 1948 142 Journal July 4 10 mi SE Mesquital, 400±ft., Baja Calif. Bank at this edge of the wash, mostly a hard gravel deposit. The rest were strung along the usual flat. July 5 Same location Caught 3♂,1♀ Perognathus arenarius, 1♂ Perognathus baileyi, 3♂, 2♀ Dipodomys agilis, 1♀ Perognathus spinatus. The latter was on the bank as was one other which immediately leaped from the trap and escaped. While picking up traps came within 10 feet of a brush rabbit which watched me almost unconcernedly This morning I saw a sparrow hawk devouring a caracara perched on a cactus. It dove repeatedly on it, keeping up a constant clamor of shrill cries and quickly picking up altitude for another dive. The caracara did nothing more than lift its wings and duck at the bottom of the dive which seemed to come within two feet of it. Several times it also gave a low croak at that time. The hawk finally gave up and flew off, leaving the caracara still holding its position. Looked 50 live traps several hundred yards north up the wash to a section of much varied terrain. Here it broadly joins the other wash at right angles and irregularly,