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MONOGRAPHS OF NORTH AMERICAN RODENTIA. 



so this character falls to the ground. And to finally settle the question of the 

 actual existence of a species combining cheek-pouches with a long tail, we 

 will introduce the following table.* 



TABLE XII. — Fn«h measurements of Ihirty-one specimens of Hespero.mys "mt/oides" from Arctic America. 

 [All those measurements are from specimens in the flesh, except the seventh column, the feet being measured dry.] 



"This Arctic series is simply a part of the Arctic series introduced farther on. It represents the 

 variety sonorionsis, and is only brought 111 here to show the matter of the cheek-pouches. We have 

 only to remark further, iu this place, that the Arctic series averages larger than United States specimens, 

 and has shorter feet and ears, as well as shorter tail. 



