14 BULLETIN 171, UNITED .STATES NATIONAL MUSEUM 



it adds a new and interesting species to this gronj) of bats. Further- 

 more, its occurrence in western Mar^dand is apparenth^ somewhat 

 outside the recorded distribution (Allen, 1916, pp. 338, 349-350) of the 

 living species. The rjinge of C. macrotis extends northward into 

 North Carolina, and the species has been recorded from the Dismal 

 Swamp of Virginia. C. rafinesqiili is known in southwestern Virginia, 

 Kentucky, and southern Indiana, as well as farther west. 



Figure l.—Conjnorhinux aUegankmiit Gidley and 0:izin: a. Skull, tyjie speciuien (U.S.N.M. no. 12412), 

 dorsal view; 6, same, lateral view; c, upper deniif ion, paralype (U.S.N.M. no. 12413), occlusal view; 

 rf, left ramus of mandible, paratype (U.S..\..M. no. 1241 1), lateral view. X 3. Cumberland Cave Pleisto- 

 cene, Maryland. 



Table 2. — Measurements (in millimeters) of skulls and mandibles of Corynorhinu.s 

 alleganiensis and C. rafinesquii pallescens 



Measurement 



Length of skull from anterior margin of canine alveolus to supraoccipital 



Width of post orhita 1 constriction ._ 



Depth of posterior portion of skull from inferior margin of occipital condyles 

 to top of interparietal ___ 



Distance from postglenoid proce.ss to posterior margin of occipital condyle . 



Length of ujiper premolar-molar series 



Length of lower dentition from C to Ma, inclusive 



Cnrynorhinus 

 alleganiensis 



U.S.N.M. no. 

 12^12 (type) 

 15.75 

 3.8 



.5. 25 



o. 05 



U.S.N.M. no. 



4.4 

 U.S.N.M. no. 



5.9 



Coriinorhinun 

 raflnesqiiii 

 pallescens 



U.S.N.M. no. 

 213-367 (Biol. 

 Siiro.) 

 15.9 

 3.75 



(i.3 

 6.4 



4.5 



6.8 



