D. P. PEARSON 1949 Manhattan Mine, 2000 ft; 2 mi. NW Knorrille, Napa Co., Calif. Oct. 19 1835 ♀ Corynorhinus rafinesquii toped In tunnel in big open part digging 3 ft from 1836♀. Epididymis conspicuous in tail membranes. No fat. Accessory male, thin abdominal wall, large, 7mm oesph. Testes 9 x 6; epidid 4 x 7. Many sperm in epidid areas. 8.7 g. 1836 ♀ Corynorhinus rafinesquii toped Caught as 1835♀. Midle medium, 1.2mm.; some fat. Uterus pink, 2mm. ant.-post. BV conspic. white-sheathed [artery] Many sperm in vaginal areas. 8.9 g. Knorrille, 1262', Napa Co., Calif. Oct. 19 1837 ♀ Corynorhinus rafinesquii toped In tunnel along wall with 4 females. All toped. Females were as follows: 1 medium nipple, 2 tiny, 1 small. These♀♀ were released without banding. Epidid. conspic in tail and labia also conspicuous. No fat. [Correlate forl, testis, + accessories] Accessories large, 7mm. Testes 10 x 6 mm; epidid 6 x 3. Billions of sperm in epidid 7.6 g. 1838 Reed Mine, 1750 ft, 1 mi. NE Lake-Napa-Yolo Co. Jct., Yolo Co., Calif. Oct. 19 1838 ♀ Corynorhinus rafinesquii toped Alone in lower tunnel, epidid. conspic in tail and labia fairly so. No fat. Accessory large, 8mm. Testis 7 x 5; epidid 6 x 3-5. Many sperm in epidid. In sections: Practically no interstitial tissue forming tubules with many sperm but no young elements; i.e., totally old but all sperm not gone yet. 7.1g. (captus) Manhattan Mine, 2000 ft, 2 mi. NW Knorrille, Napa Co. Oct. 19 1839 ♀ Corynorhinus rafinesquii toped Midle medium, 2mm.; caught with other♀♀ in tunnel on south-facing slope. Many sperm in vaginal areas. Much fat. Uterus 2mm., artery white-sheathed. 9.7 g. (captus)