A New Pocket Gopher (Thomomys) and A New Spiny Pocket Mouse (Liomys) from Michoacán, Mexico
E. Raymond Hall; Bernardo Villa Ramírez

E. RAYMOND HALL AND BERNARDO VILLA R.

A New Pocket Gopher (Thomomys) and A New
Spiny Pocket Mouse (Liomys) from
Michoacán, Mexico

BY