J.R. Alcorn 1938 Thomomys bottae canus (21) Mar 25 1 mi NW Nixon, Washoe County Nevada 1938. Pocket Gophers caught in alfalfa field on the Pyramid Lake Indian Reservation. Eighteen (18) gophers were caught within ½ mile of the Truckee River over about 2 ½ acres of land. -Males- Total Tail H.Foot Total Tail H. Foot. 10¾6 3⅛ 1¼6  11¾6 3¾6 1¼6 9⅞6 2⅜6 1½6  10  3⅛6 1¾6 9⅝6 2⅝6 1¾6  10⅜6 3¼6 1¾6 9⅜6 3⅞6 1⅛6  7⅞6 2⅜6 1⅜6 (Immature) -Females- Total Tail H.Foot Ovaries. 8⅝6 2½6 1¾6 Enlarged ovary tube. 8⅛6 2¾6 1¼6 5 embryos ⅔ develop. 3 left 2 right 9⅛6 2⅜6 1⅜6 Milk in udder (teats) 8⅞6 2½6 1⅝6 Enlarged ovary tube 9⅛6 2⅞6 1¾6 4 embryos ¾ develop. 2 each side. 9⅜6 2⅝6 1¼6 5 embryos ⅔ develop. 2 left 3 right. 8⅞6 2½6 1¾6 5 embryos ½ develop. 2 left 3 right. 8⅞6 2⅜6 1¼6 Immature 8⅝6 2⅜6 1⅜6 5 embryos ¾ develop. 2 left 3 right 8⅛6 2¾6 1¾6 Ovary Tubes normal size. July 26 5 min up Truckee River from Wadsworth Washoe Co. Nevada. 1938 Total Tail H.Foot Sex 10⅝6 3  1¼6 ♂ 7⅞6 2⅛6 1⅛6 ♀ 10  2⅜6 1⅛6 ♂