ie 
U. 8. GEOLOGICAL SURVEY OF THE TERRITORIES. MURID, PLATE III. 
WRAL 
38. 39, 40. 41. 
Pigs. 18-21, Mesperomys leucopus (1944), Pigs. 22-25, Hl. gossypinus (£765). 
Kige. 26-29, IN. michiganensis (1673). Figs. 20-23, H. michiganensis (1796). 
Figs. 84-37; H. anreolus (2023). : Figs, 38-21, Lvotomys gapperi (1957). 
