148 



W. H. BURT 



Table I. Genera of Strictly Terrestrial, Non-Flying Mammals of 

 Temperate North America," 30 of Which Also Occur in Eurasia 



Genus 



Didelphis 



Condylura 



Scalopus 



Parascalops 



Scapanus 



Neurotrichus 



Sorex 



Microsorex 



Notiosorex 



Cryptotis 



Blarina 



Ursus 



Procyon 



Nasua 



Bassariscus 



Martes 



Mustela 



Gulo 



Lutra 



Spilogale 



Mephitis 



Conepatus 



Taxidea 



Vulpes 



Urocyon 



Alopex 



Canis 



Felis 



Lynx 



Marmota 



Citelliis 



Cynomys 



Tamias 



Eutamias 



Tamiasciurus 



Sciurus 



Glaucomys 



Eurasia 



X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 



X 



X 

 X 



X 

 X 

 X 

 X 



X 

 X 

 X 



" Designation to eastern or western North America is arbitrary in many instances. 

 One species of the genus Eutamias {minimus), for instance, occurs as far east as 

 Ontario, yet it is designated western because that is where all the other species are 

 found. 



