All e-books of Robert J. Russell

CONTENTS PAGE INTRODUCTION 477 MATERIALS AND ACKNOWLEDGMENTS 477 ...

J. R. Alcorn collected a number of pocket gophers of the genus _Pappogeomys_ in the states of Jalisco, Nayarit, and Colima.

In the course of my taxonomic study of the genus _Cratogeomys_, a high degree of variation was found between several populations of these gophers in central Jalisco.

Cueva de San Josecito in the province of Aramberri, near the town on Aramberri, Nuevo León, México, is at an elevation of approximately 7400 feet above sea level on the east-facing slope of the Sie...