Excerpt from University of California Publications in Zoology, 1918-1926, Vol. 21 The measurements of the skulls were all taken with steel calipers graduated to tenths of millimeters. Total length, tail vertebrae and hind foot are as taken by the field collectors. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.