Field Trips. 20 miles S. E. Pocatello. Camp, Tuesday alt. 6300 ft. Banook Co. Idaho. October 1.-1932. While attending a Boy Scout activity at Camp Tuesday Oct. 1 and 2nd, I took advantage of the occasion to trap some small mammals. 19 traps were placed on tree trunks and leaning trees, baited with dried figs, for flying squirrels, but no specimens were taken. 30 more traps were placed in the vicinity where Zapus had been previously taken, but only Peromyscus, Clethrionomys and Eutamias were taken. 19 more traps set in and around marshy shrubs secured one each of M. richardsoni, M. microps and Sorex vagrans. 17 gopher traps set along the creek bottoms secured seven J. mintus and one M. arizonensis. This, tho unusual, I considered an unusual catch. Total catch:- 1 Sorex, 1 Ml. richardsoni, 1 Ml. microps, 1 Clethrionomys, 1 Eutamias, 1 Mustela arizonensis, 7 Peromyscus and 9 Baranycus.