Quart 1948 Journal 155 July 15 8 mi N. Rosario, Baja California places. It is believed that we are camped only a few miles east of the ocean. 50 Museum special traps baited with walnut and set along base of hill and along face of hill west of camp caught one Perognathus fallax and two Peromyscus maniculatus last night. All three of these specimens were caught in the low bushes at the base of the hill, the larger portion of these traps which had been set among the denser bushes on the hill slope yielding nothing. 48 Live Traps set in clay soil along trail through dense, dry and low brush in wash yielded but one Peromyscus cremicus (im). Traps set by Tevie in the more open, gravelly, Agave-covered west-facing slope on the other side of the dry wash yielded abundant Peromyscus cremicus. Murray caught one Dipodomyx garvyes in addition to the above-men- tioned species. Several Brush-rabbits were seen here and Murray obtained one Rattlesnake. Lizards were very scarce and only one was obtained, a Cnemidophorus labialis by Tevie. On the whole this locality seems an- attractive from the collecting standpoint,