82. El Capon Canyon, 3200 ft. E. base San Pedro Martin Mts Lower California, Mexico May 18. Gilmore 1926 36 traps caught 1 ? Perognathus repida ! 238. Neotoma & 177.5 G. 311-120-33-35 Caught under rocks on side of hill. annivus 239. Peromyscus & 20.7 G. 196-106-21-18 Same as above spinatus 240. Perognathus & 17.9 G. 188-105-30-5 Caught in grass near stream. venicor 241. Peromyscus & 26.7 G. 189-96-30-17 Caught cranium destroyed by mice among rocks at base of hill. 242. Piranga ludoviciana & 30.5 G. Shot from willow at edge of stream. 243. M.c.cinerascens & 28.6 G. Shot from mosquite near creek. for exchange 244. M.c.cinerascens & 28.5 G. Shot from Palo Verde on small flat. Trapping still very poor both for small and large mammals. The birds around here are quite plentiful but the do not take in many species. The most common species are probably M.c. cinerascens, C.costal C.m frontalis and V.pusilla. The locality is a paradise for entomologists & ligaria hunters. The nights around the lantern are fraught with danger on account of the million or million different species of bug