Munday 1949 Journal Sept 1 3 mi N willow Creek, 700ft, Humboldt c., Calif. firs and large black oak. Again plenty of dry leaf litter. Hunted around in very dry brush on the flat but found nothing. Left traps out and expanded along an old road where a small stream flow spread out in a muddy patch. there was green grass, green herbs and blackberries. Saw very young T. ordinus. Afterwards tried to find a good place to shoot bats. Finally settled down on a dry flat above the river where just a few, both large and small, were flying. Shot 1 but could not find it. Sept 2 Same location Caught 1♂ Reithrodontomys megalotis, 1♂ Peromyscus truei, 6 Peromyscus maniculatus (5 disc). Note that all of these were males with testes enlarged (except 2 maniculatus released and not checked). those put up yesterday were the same. in afternoon went with Dr. Leopold to Horse Sinto Creek. Went up the trail, then down the slope to the creek. Saw at least 2 dippers in the water Set traps along the creek, upstream from where I had been before. Ran through areas of both green and dry grass, usually with clumps of blackberry. Shaded to varying