Cogswell 1949 Journal 109 Brannan Mtn., 3700 ft. Humboldt Co., Calif. Sep. 4 Caught the following in the 20 mouse traps set here last night: 2 Peromyscus sp. (both badly eaten by ants) and in the 10 set on the summit, 3900 ft altitude: 1 Peromyscus (truei?) -- (also badly eaten by ants & not saved). 1 Peromyscus tail only. 6 of these 10 traps were sprung & moved. In the 3 Schuylers I got 2 Neotoma descripta (see species acct.); and in the 3 rat traps, nothing. Neglected to say yesterday evening that I shot one of the small chipmunks which we heard all about the mountain top. (see species account of Eutamias). Hunted from about 6:30 a.m. to 9:15 a.m., mostly along the ridge W. of the main peak and 100-200 yds. down the N.-facing slope. There are practically no Douglas firs on the ridge, the vegetation being pure open pine forest with understory as described on p. 105 plus considerable shrubbery, Lithocarpus densiflorus, Castanopsis chrysophylla. As one goes down the N.-facing slope, which is here fairly gradual, the same sort of trees con- tinue along the drier ground, but with more Quercus vaccinifolia & much Xerophyllum tenax ("Bear Grass") as ground cover. In the Two draws I covered on this slope there was