Quast 1948 Journal 63 May 14 miles N of La Paz, Sea Level, Baja California (174,176) and one Citellus leucurus in the rocks east of camp. The Citellus was obtained at 4:00 P.M. (#175). The day was very warm with a good breeze. Absolutely clear sky and temperature (max.) of 101°F in the shade under truck. Set out 47 traps in hillside among Cardone, Limboi, Pitaya agria, Opuntia cholla and Prickley Pear (plus Eriophium, Creosote and Ironwood and other shrubs). Hillside composed of fragmented pink porous lava rock over soil and of low gradient. 5 Schuyler sets placed along live trap line in likely looking places for Wood Rats. The vegetation gets denser and taller as one approaches the suggestion of a cape rock formation at the top of the low hills east of camp. Many pocket-mouse workings are visible higher up on the hill - much more common than on lower portions. Larger boulders are present up there with more soil and less slope. May 15 Same location. The 47 live traps set in lava rock fragments on hills east of camp caught 1♀,3♂ Peromyscus eremicus (#178-181 incl) and one ♀ Perognathus spinatus #182. Five Schuyler traps caught one Neotoma leucodon (#179)