SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 82, NO. 5. PL. 1 



1. Plas'iodontia hyl;eum. 



2. Plagiodontia aediuni. 

 3- Brotomys voratus. 



4. Caproiiiys jiilorick's. 



5. Isolobodon levir. 



6. Isolobodon jjortoricensis. 



(.\11 tignres natural size.) 



