Creekerson 1934 Peromyscus eremicus of a steep gully on NE facing slope, caught in a run under two rocks which formed a tunnel; only specimen caught though 36 other traps set in similar locations in same gully; it very narrow toward top 3-5 ft. Tinajas Altas. Jan. 17, 1934 5 individuals, 4 males, 1 female trapped on mesa at base of mountain; 1/4 mile SE of tanks. four of them near loose rocks at base, other 100 ft out on mesa in shallow gully. [illegible] Male and female taken in traps within 6 ft. of each other, female mature, without embryos; two of males with enlarged testis.