Palmer 1934. Mar 29 Thomomys bottae pallidus 1158 Columbia Ave., Ontario, San Bernardino Co., Calif. Collected by J.F. Palmer Macabee gopher trap set in main runway of extensive system of branching underground tunnels in the garden at my home. Tunnels were 2 1/2 inches in diameter, the main runway about 4 1/2 inches diameter. Mounds of dirt thrown up from the underground workings were pushed out of the burrow mouths. A small round depression in the mound indicated the location of the burrow mouth. Sign- plants standing suddenly died. When examined these were found to have the roots eaten away. Smaller plants were dragged down through a small hole into the burrow and partly eaten.