J.R. AICORN 1938 Citellus townsendi mollis Mar. 18 1938 5 mi. W Fallon, 4000 ft., Churchill County, Nevada ♀ 9 Embryo ¾ inch diameter, 5 right, 4 left. ♀ 12 Embryo ½ inch diameter; 7 right, 5 left. ♀ Enlarged. ♀ Slightly enlarged. ♀ Enlarged ♀ Enlarged. ♂ Male ♀ Enlarged ♀ Enlarged ♀ Knobs forming, enlarged ♂ Male ♂ Male ♀ Enlarged. Out of the twenty-four (24) Brite Ground Squirrels checked above nineteen (19) were females and five (5) males. The males seems to be less active than the females. Mar. 28 1938 9 mi. W Fallon, 4000 ft., Churchill County, Nevada We put out fifty (50) lbs. poison 9 mi. west of Fallon, Nevada and within an hour I picked up 17 Brite Ground Squirrels. Three (3) were males. Fourteen (14) were females. The females look rather fat and plump now. Information on females as follows: Number in Number in total far along in gestation period. gestation period. No Embryo Right Tube Left Tube 9 5 4 3/10 developed 9 5 4 5/10 developed 7 0 7 7/10 developed 11 7 4 9/10 developed