48 





Gattung. 



Nordamerika 

 im Ganzen 



Westküste 



Connecticut 



Neu -York 



Mexico 





PTEROMYS 



sabrinus 

 alpinus 

 voliicella 

 oregonensis 



oregonensis 



volucella 



volucella 







TAMIAS 



Lysteri 



quadrivittatus 



Townsendii 



niinimus 



Ilindsii 



Townsendii 



minimus 



Hindsii 





Lysteri 







SPERMOPH. 



Richnrdsonii 



Franklini * 



Beeclieyi 



macrurus 



Douglasii 



ClarUii 



Parryi * 



meiicanus 



guttatus 



Hoodii 



lateralis 



grammurus 



Townsendii 



annulatus 



Beecheyi 

 macrurus 

 Douglasii 



Parryi * 



guttatus 



lateralis 



Townsendi 









Beecbeyi 







i 







mexicanus 





ARCTOMYS 



monax 



(pruinosus) 



caligatus 



ludovicianus 



bracbyurus 



flaviventer 



caligatus 

 brachyurus 





monax 



flaviventer 





JACULUS 



labradorius 

 microcephal. ? 







labradorius 



labradorius 









canadensis 



mexicanus 



Drummondii 



ruf'escens 



bulbivorus 



umbrinus 



talpoides 



borealis 



Townsendii 



Douglasii 



bulbivorus 



Townsendi 

 Douglasii 



i 







mexicanus 





HAPLODON 



leporinus 



leporinus 











