The text describes a new subspecies of Microtus montanus found in Montana and provides comments on Microtus canicaudus Miller. The classification of the new subspecies is based on morphological characteristics, including skull shape and size, and dental features. The author also discusses the distribution and habitat of the new subspecies, as well as its relationship to other species within the genus Microtus.
By Eugene Raymond Hall · First published 1941 · Genre: Scientific Literature, Zoology, Natural History