P. PEARSON 1950 33 1961 ♀ Corynorhinus rafinesquai Caught as 1951. Nipple medium. R., Rt. horn 11x9; 11mm C.R. 107x50x11x37 1962 ♀ Corynorhinus rafinesquai Caught as 1951. Nipple medium. Preg. Rt. horn 11x9 mm. Fetus CR 7mm > 1964♀ Corynorhinus rafinesquai caught as 1951. Nipple medium. Fetus in Rt. horn 9mm C.R. 105 . 56 . 11 . 38 active mines, 800ft., Napa Co., Calif. April 27 1963 ♂ Corynorhinus rafinesquai torpid in upper tunnel. alone; epidid not marked in tail members; Testis 4.5 mm, epidid. 3mm (this is a very small epidid); Accessory tiny, 3mm. white cheese from nose gland. 1964 Knoxville, 1262ft., Napa Co., Calif. April 27 1965 ♂ Corynorhinus rafinesquai epidid large. awake when captured, Testis 6mm, flabby. epidid 4mm. Accessory small - 4mm. Noticable larger than 1963, No cheese in nose gland. In sections - no sperm in epidid., Testis inactive, 2 mitosis faces. Poor slides [illegible] 1966 ♀ Corynorhinus rafinesquai Awake when captured. Nipple small-medium. No yet. Pregnant- brink in right horn 9mm wide (aut-post.), Embryo 8mm C.R. No cephala seen under dissecting scope.