J. Alcorn 1940 Ondatra Yum Club, 3 1/2 mi. N Stillwater, 3900 ft., Churchill Co., Nevada. Aug. 25 House may contain 2 or 3 nests about 14 to 18 inches in diameter. These nests are lined on sides and bottom with finely shredded tule. The first litter is seen active about the first of May. When feed is available adult F may have 2 or 3 litters. Rats in this area live almost entirely on the roots of cattail and tule. The lower (in) [illegible] of the stalk is also eaten. The cat tail is preferred by them. Fresh water mussels are also eaten in winter. No evidence of mussel eating is noted about feeding stations in the summer. All feeding is done away from the nest. Occasionally a half eaten carp is seen at feeding station. Matted down tule [illegible] consist make up the feeding station. The rats often make these stations and these "platforms"