MILLER AND REHN: NORTH AMERICAN MAMMALS. 91 



Genus MICROTUS Schrank. 



126. Microtus aphorodemus Preble. 



1902. Microtus aphorodemus Pkeble, North Amer. fauna, 



no. 22, p. 52. October 31, 1902. 

 Type locality. — Barren grounds about 50 miles south of 



Cape Eskimo, near mouth of Thlewiaza River, Keewatin, 



Canada. 



127. Microtus pennsylvanicus shattucki Howe. 



1901. Microtus pennsilvanicus shattucki Howe, Proc. Port- 

 land soc. nat. hist., n, p. 201. December 31, 1901. 



Type locality. — Tumble Down Dick Island, near Long 

 Island, Penobscot Bay, Maine. 



128. Microtus mexicanus guadalupensis Bailey. 



1902. Microtus mexicanus guadalupensis Bailey, Proc. biol. 

 soc. Washington, xv, p. 11 8. June 2, 1902. 



Type locality. — Guadalupe Mountains, El Paso County, 

 Texas. Altitude, 7800 feet. 



129. Microtus miurus Osgood. 



1901. Microtus miurus Osgood, North Amer. fauna, no. 21, 



p. 64. September 26, 1901. 

 Type locality. — Head of Bear Creek, in mountains near 



Hope City, Turnagain Arm, Cook Inlet, Alaska. 



Genus FIBER Cuvier. 



130. Fiber zibethicus hudsonius Preble. 



1902. Fiber zibet file us /unison ins Pkeble, North Amer. 



fauna, no. 22, p. 53. October 31, 1902. 

 Type locality. — Fort Churchill, Keewatin, Canada. 



131. Fiber zibethicus ripensis Bailey. 



1902. Fiber zibethicus ripensis Bailey, Proc. biol. soc. 



Washington, xv, p. 1 19. .June 2, 1902. 

 Type locality. — Pecos River at Carlsbad, formerly Eddy, 



Eddy County, New Mexico. 



