2 mi. W Smith Creek Cave, 6,300 ft., T14 N, White Pine Co., Nevada. Lee Arnold 1937 Itinerary June 13, These birds were chasing one another -- periodically letting out their characteristic call. While waiting for Mr. Parker to take me to the mouth of Smith Creek Canyon I shot 4 Ammospermophilus. These were: 1 Hd. & j 1 Hd. & ; 2 Imm & : They were making trips from the edge of the horse corral to the grain house where they would fill their cheek pockets for a return trip. In the grain house along with the grain used for stock was an opened sack of poisoned barley. According to Mr. Parker they would not touch the poisoned grain. Could it be that the internal cheek pockets of Ammo's are more sensitive to the poison -- thus causing the squirrel to reject it before the poison has a chance to be deadly while there is no such "warning" in the case of the fur-lined cheek-pockets of the Pipis. On returning home (Smith Creek) I made up the Dipodomys, Ammospermophilus, Neotoma and made skeletons of a Myotis and an Ammospermophilus June 14 Yesterday I went around to the trapline on the north side of the canyon. The only new catch was a Eutamia dorsalis. This is a breeding &. It had apparently been "gummed" by a snake for its