I^riLLER AND KEHN: NORTH AMERICAN MAMMALS. 121 
Microtus yakutatensis Merriam. 
1900. Microtus yal'utatensis Merriam, Proc. lYashington 
acad. sci., ii, p. 22. March 14, 1900. 
Type locality.— Xorth shore of Yakiitat BaY, Alaska. 
Microtus kadiacensis Merriam. 
1897. Microtus I'adiacensis Merriam, Proc. biol. soc. M"ash- 
- ingtoii, XI, p. 222. July 15, 1897. 
Type locality.— Kadiak Island, Alaska. 
Microtus unalascensis iMerriam. 
1897. 3Iicrotus uncilascensis ^Merriam, Proc. hiol. soc. Wash¬ 
ington, XI, p. 222. July 15, 1897. 
Type locality. — Unalaska, Alaska. 
Microtus unalascensis popofensis iMerriam. 
1900. Microtus unalascensis lyopofensis Merriam, Proc. 
Washington acad. sci., ii, p. 22. March 14, 1900. 
Type locality. — Popof Island, Shumagin Islands, Alaska. 
Microtus sitkensis Merriam. 
1897. Microtus sitkensis Merriam, Proc. biol. soc. Washing- 
• ton, XI, p. 221. July 15, 1897. 
Type locality. — Sitka, Alaska. 
Microtus innuitus Merriam. 
1900. Microtus innuitus Merriam, Proc. Washington acad. 
sci., II, p. 21. March 14, 1900. 
Type locality.— St. Lawrence Island, Bering Sea, Alaska. 
Microtus abbreviatus Miller. 
1899. Microtus ahhreviatus Miller, Proc. biol. soc. Washing¬ 
ton, xiii, p. 13. January 31, 1899. 
Type locality.— Hall Island, Bering Sea, Alaska. 
Microtus abbreviatus fisheri Merriam. 
1900. Microtus ahhrematusfisheri Merriam, Proc. Washing¬ 
ton acad. sci., ii, p. 23. March 14, 1900. 
Type locality.— St. Matthew Island, Bering Sea, Alaska. 
* Microtus townsendii (Bachman). 
1839. Arvicola toionsendii Bachman, Journ. acad. nat. sci. 
Phila., Yiii, ])t. I, p. 60. 
