Orr 1931 1/2 mile South of Salt Spring, 5700 ft. Myc Co., Ariz. May 25, 1931 # 109 Perognathus panamintinus ♀ 132-74-19 Wt. 9.1 gms. # 110 Perognathus panamintinus ♀ 130-70-20-9 Wt. 9gms # 111 Perognathus panamintinus ♀ Wt. 8.1gms 125- 70-19-6.5 # 112 Perognathus panamintinus ♀ Wt. 7.4gms. 129-74- 19-7 # 113 Perognathus formosus ♀ 177-100-25-11 wt. 19.6gms. # 114 Myotis californicus pallidus ♂ Wt. 4.3 gms. 70-36-6-12. # 115 Scleromys occidentalis bicoloratus # 116 Perognathus panamintinus ♀ Wt. 7.7 133-74-18-14 May 26, 1931 Set 52 traps on top of a ridge leading up to a high mesa, 1/2 - 1 min. east of Camp. This A.M. only one trap was sprung, containing 1 Perognathus formosus. This trap was at 6500 feet, beneath some scrub oak and willow. Some small rocks were near the trap. Most all of the woodrat houses and holes where traps were set were old. Every few fresh rat piles were seen, while old piles were old abundant: Shot a Flycatcher (Traill?) in brush near