MAMMALS 



Miller, Jr., for checking the nomenclature, which 

 seems to be as fleeting in mammals as in birds. 



MAKSUPIALIA. 



1. Virginia Opossum. Didelphis virginiana vir- 

 giniana Kerr. Accidental, one record. 



UNGTTLATA. 



2. Northern Virginia Deer. Odocoileus virginir 

 anus borealis Miller. Formerly common, extermin- 

 ated, records up to 1837. 



KODENTIA. 



3. Prairie Cottontail. Sylvilagus floridanus 

 mearnsi Allen. Common, first records about 1884. 

 (" Ottawa Naturalist," 1908, pp. 158-9.) 



4. Southern Varying Hare. Lepus americanus 

 virginianus (Harlan). Formerly common, only 

 recently exterminated; still found just outside in 

 limits of this list. 



5. Jumping Mouse. Zapus hudsonius Jiudsonius 

 (Zimmermann). Generally distributed, not very 

 common. 



6. Red-backed Mouse. Evotomys gapperi gapperi 

 (Vigors). Described by Gapper in 1830; no recent 

 records. 



7. Meadow Mouse. Microtus pennsylvanicus 

 pennsylvanicus (Ord). Abundant. 



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