sm\ 



MONOCKAl'lIS OF NORTH AMERICAN RODENTIA. 



Taiii.i; XC'VII.— Measurements of Sixteen specimens of Si'KI.Mi Hiril.is RICHARDSOKI var. IilCIIARDSOM. 



" Tho measurements of the ear were taken from the skins. 



t Taken from tbe skin. 



Table XCVIIL— Measurements of eight specimens of SfebmOPHILUS RICHAHDSONI var. TOWNSEKDI. 



