Excerpt from North American Quaternary Canis Much attention, especially since 1960, has been directed toward the systematics of Canis in the eastern half of North America. There has been controversy regarding the taxonomic status of the wolves (c. Lupus lycaon and subspecies of C. Rufus) originally found there, and of the populations of Cam's presently inhabiting the region (roughly, east of 1go Degreesw and south of so Degreesn The production of fully fertile hybrids, of common occurrence among captive Cam's (gray, has been sug gested as having affected wild Cam's in the eastern part of the continent. 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.