Murray 1948 2 Perognathus spinatus Apr 13 9 mi W San Felipe, 700+ ft., Baja California. apart, and about 30ft up the hill from a sandy wash - caught 3♂. Apr 16 Cerro Centinela, 300±ft., 13 mi WSW Mexicali, Baja Caly. Had out 50 live traps in a wash below the mountain. Most of it was sandy with a number of ironwood trees, creosote, indigo bush and others - rather sparse. There were 1♂ and 1♀ each in one of the rockier spots. The rocks, however were quite small. The night before traps were in a rockier area of the wash and caught no spinatus