Alcorn 1936. Thomomys batiae canus Feb. 20. 4 mi. W. Fallon, 4000 ft, Churchill Co., Nevada: The pocket gophers in this area are quite numerous and many mounds may be seen in the fields. The soil is moist and there is not any frost in the ground which possibly is the cause for much activity at this time. On one 20 acre field of alfalfa I walked completely across it by stepping only on the mounds of earth thrown out by pocket gophers. Several were caught and the lice were crawling all over the animals: I left the[illegible]gophers in the sun a few minutes and hundreds of these lice began to crawl about [illegible] on each animal. August 19. I caught one female Gopher in a trap today at entrance of burrow were 2 young gophers, apparently started out of the nest and went in search of their mother. Both small gophers were approximately the same size. Measurements of