PEARSON 1949 62 Modoc Lava Beds Natural Monument, 4800 ft., Siskiyou Co., Calif. Thunderbolt Camp 1463 ♂ Corynorhinus rafinesquae intermedius Caught Feb.5, killed Feb.8. Teats 5 mm. Ovaries 5 mm., accessories large but smaller than 1462. 107 x 52 x 11 x 38 8.3g. 1464 ♀ Corynorhinus rafinesquae intermedius Caught Feb.5, kept cool (45°) until Feb.8. Then room temp. and fed mealworms. Injected [illegible] early third-month pregnancy serum subcutaneously beginning 5 p.m. Feb.8. Once of other-vealed during morning and evenings until killed 1 p.m. Feb.12. Mipple tiny, U.G. about 1 cm thick. B.V. not thick-walled, no large follicles or ruptured follicles seen. 11 x 54 x 10 x 39 8.5g. 1465 ♀ Corynorhinus rafinesquae intermedius as 1464 but not injected. Mipple tiny, Uteri clear thin mm. No large follicle seen. B.V. not thick walled. 107 x 59 x 11 x 36 8.4g. Siskiyou Co. Calif. Central Camp, Modoc Lava Beds Nat'l Mon., 4800 ft. 1466 ♀ Corynorhinus rafinesquae intermedius Caught Feb.4. Kept warm + fed. Injected with PV as 1464, nipple small or tiny. Uteri >2 mm. B.V. not conspicuously thick-walled. Ovaries somewhat orange but no follicles or corpora seen. 109 x 53 x 11 x 38 8.7g. 1467 ♀ Corynorhinus rafinesquae intermedius as 1466 but not injected. Mipple medium, Uteri 2 mm. thick. B.V. thick-walled. No large or medium follicles. 105 x 53 x 10 x 37 8.3 1468 ♀ Corynorhinus rafinesquae Caught Feb.11 (see note) killed Feb.15, kept room temp. and fed. Mipple tiny, no fat. Uteri mm. B.V. not thick-walled. No follicles or corpora seen in either ovary. 107 x 51 x 11 x 37 8.2g.