Two new subspecies of Thomomys bottae from New Mexico and Colorado.

by Kelson, Keith R.
Published 1951

A new subspecies of Microtus montanus from Montana : and comments on Microtus canicaudis Miller /

by Hall, E. Raymond (Eugene Raymond), 1902-1986
Published 1951

Comments on the taxonomy and graphic distribution of some North American wood rats (genus Neotoma).

by Kelson, Keith R.
Published 1952

The subspecies of the Mexican red-bellied squirrel, Sciurus aureogaster.

by Kelson, Keith R.
Published 1952

The subspecific status of two Central American sloths /

by Hall, E. Raymond (Eugene Raymond), 1902-1986
Published 1952

Comments on the taxonomy and geographic distribution of some North American marsupials, insectivores and carnivores /

by Hall, E. Raymond (Eugene Raymond), 1902-1986
Published 1952

Comments on the taxonomy and geographic distribution of some North American rodents /

by Hall, E. Raymond (Eugene Raymond), 1902-1986
Published 1952