750 Elmner 1933 Citellus douglasi (1) Mad R. ford, 2700 ft., above Ruth, Trinity Co., Calif. May 20, 1933 Spec. no. 7632 probably nursing - five mammae on right side, six on left, neely arranged from groin & axilla Lower dhenacic mammae on left side has no pain or make on other side. caught on down log at base of frosted hillside near river. Citellus seem to be common along the river from bank to timber, tho they are seldom seen during the day. Their burrows may be found under shumps, Ceanothus bushes on the hill sides and in the open. Afternoon catch held four. Schuyler traps held them all right but do not kill. Sure catch rat traps are not sufficient. May 24, 1933 During day's walk to x from summit of Horse Ridge, one seen among rocks at 4000 ft. and a squirrel, apparently Douglasi seen at edge of snow line, 5700 ft. Burrows, apparently of this species, noted in two species bare spots at snow line.