Lee Arnold 1937 Microtus mordax Hendry Creek, 9,100ft, 1½ mi E TDT.TTJorod, White Pine Co. Nevada June 20 One adult ♂ caught out of 50 traps set beside and near the creek. This one was caught a few inches from the edge of the water under an overhanging ledge of moist soil. It was apparently in breeding condition. June 21 One immature ♂ caught about 3 feet from, the creek under the edge of a log. The previous night a Peromyscus maniculatus was caught in the same place. House Canyon, 5,800ft, Pahrua Dr., Washoe Co. Nevada May 29 An adult ♂ was caught about 5 feet from the creek up a straight bank. It had a runway under a log from one locality where there was dense rosebush to another. Although a trap was set at the same place for 4 nights no other Microtus were caught.