Thacker 1960 Journal p.30 July 21 High Rock Ranch, 4040 ± ft., T28N, R17E, sec. 25, Lassen Co., Calif. Up late about 5:45 AM and went out to check our traps, Bearder three & put up & had two D. merriami, both young, 1 of each sex. Mr. Benson also got a D. panamintensis ie. 5 species of Dipos here at one place. After breakfast I checked my gopher sets and picked up a T. bottae. Spent the day until late afternoon skinning. About 5:45 PM I went out to shoot antelope ground squirrels and got three in about half an hour. About a quarter of a mile S of the ranch buildings there is an area where hay had been put out last winter for the cattle. Ground squirrels are common here. After supper we set out our traps on the ranch. I mammal specimens put some rat and leleflyer traps up in a bunch of just W of the ranch buildings. The rocks are deposits that have resulted from the warm spring. The people here say the water temperature 79° F. Then I ran a trapline W of the rock formation, also some in the dry field S of the ranch where I had my gopher sets and a levee through the grass and other plants during an irrigation ditch S of the ranch. After I got back I started skinning my ground squirrels. Went to bed about 10:30 PM. 5080 ± ft., Kansas, Calif. July 22 High Rock Ranch to Willow Creek Valley, 9.5 mi. S, 4.0 mi. W Fredonys Peak. Up early about 5:30 AM. Checked traps and besides what I put up I caught 5. D. merriami 1 ad. ♂, 1 young ♂, 3 young ♀♀ (one a vaginal plug); 2 D. ordii both young one of each sex; 1 sub.ad. ♂ D. microps, 1 Penorquatus longimansus young ♂; 1 young ♀ leithodentamper but