Microtus miurus Osgood, 1901

Species diagnosis

General Characteristics

Not found on St. Matthew or Hall Islands
Skull long and narrow; zygomatic width about equal to � the greatest length of the skull
Interorbital region narrow, often with pronounced interorbital crest and appearing depressed when viewed from the side
Zygomatic arches relatively slender
m1 usually with 6 closed triangles between the two terminal loops

Alaska subspecies

Subspecies	Type Locality
Microtus miurus cantator Anderson
Microtus miurus miurus Osgood	Head of Bear Creek, in mts. near Hope City, Turnagain Arm, Cook Inlet
Microtus miurus muriei Nelson	Kutuk River,(a tributary of Alatna River), Endicott Mts.
Microtus miurus oreas Osgood	Toklat River, Alaskan Range