P. PEARSON 1949-1950 25 1896 ♂ Corynorhinus rafinesquii Possibly arrived in tunnel between 6+7 a.m., Stomach + intestines empty when killed 11 a.m. Epidid. large int. tail membrane. long fat. Testis 5 mm., epidid. 6 mm. accessory large, 8 mm. Nothing saved. 1897 ♀ Corynorhinus rafinesquii Caught at 1896. Stomach + intestines empty, medium m.p.b. Vagina dry-grey. Considerable fat (more than 1896). Rt.-horn interne (1.9 mm.) drain. Nothing saved. 1898 ♂ Corynorhinus rafinesquii Caught as 1896. Stomach + intestines empty. Epidid. filling in tail membrane. Considerable fat. Testis paler than 1896, 4 mm., epidid 3 mm., accessory tiny 3.5 mm. Nothing saved. 1899 ♂ Dipodomys deserti 301 x [151] x 54 x 19 4 mi. E. Stargate Wells Hotel, Death Valley National Monument, Inyo Co., Calif Caught by Schmidt-Miller, Dec. 31, 1948. Died Dec. 29, 1949 Died Jan. 2, 1950 1900 ♂ Dipodomys deserti 352 x 209 x 54 x 17 1901 ♀ Dipodomys deserti Died Jan. 2, 1950 338 x 197 x 56 x 18 Aetna Mines, Inyo Co. Jan. 3, 1950 1902 ♀ Corynorhinus rafinesquii (captives 1 day) 9.2 g. Caught by MK and AK in tunnel above house. 6-6°C, m.p.b small, 1 mm. Considerable fat. Uterine masses, ovary not completely white-sheathed. Rt.-horn 1.5 mm wide; Lt. ovary with masses spot, some clear + some milky fluid squeeze from nose gland. Sperma in mass. 1903 ♂ Corynorhinus rafinesquii 8.5 g. Caught by MK and AK in Danger Keep Out tunnel. 9.8°C at noon. Epidid. conspic in tail membrane. No fat. Sem. res visible through abdomen, accessory large, 7.5 mm. Testis purplish grey 4 mm., epidid. white 5 x 3. No white fluid from nose gland. Lt. rectum: tubular segments + degenerate, no intestina, little intestinal waste. Many sperms in epid. Manhattan Mines, 2000ft, Inyo Co. Jan. 3, 1950 1904 ♂ Corynorhinus rafinesquii by MK and AK in # tunnel. 8 am. Small epidid. March fat, no sperm in ejaculatory ducts. Oestra 3½ mm., epidid 4 mm. Accessory very small 4 mm, especially slender. Some clear + some milky fluid from nose gland.