Bartholomew 1941 Perognathus parvus July 24 6 mi N E Virginia City, 6000 ft, Storey Co., Nevada a ♂, number 62, was caught at the side of a round rock about 18 inches in diameter in the midst of a bare area about 8 feet across. This area was surrounded by sage in which was scattered many Pinus monophylla, juniper and occasional Ceanothus. I had 60 traps out and this was the only pocket mouse caught. July 25 Single immature specimen (♂ 68) was caught in an open sandy spot beneath a rock in the midst of sage brush and pinion. This was only one caught although I had out 88 traps.