Silmore 1933 Clethrionomys (1) Mad R. ford, 2900 ft., above Ruth, Trinity Co., Calif. May 20, 1933 Spec. no. 2635 taken in old decayed shut dog on edge of forested hill near river. Only specimen taken so far The I have many lively pets. May 30, 1933 Brinell has taken several at the edge of the timber adjacent to the brush. Answer they are scarce & do not seem to be permanently located. Horse Mt., 4700-5700 ft., Humboldt Co., Calif. June 7, 1933 About a dozen taken here in traps set in heavy timber at edge of timber adjacent to brush. Catch is generic — evidently the individuals are Sanders. Coyote Peak, at 3000 ft., Humboldt Co., Calif. June 14, 1933 Only three taken so far — not all 3 these awed. Taken in heavy timber by Brinell. Evidently scarce.