Pamphlets On Parasitology Vol 70 Classic Reprint PDF Download

Excerpt from The Journal of Parasitology, 1918, Vol. 4: A Quarterly Devoted to Medical Zoology For many years I have been engaged in the study of parasitic worms from N orth' American freshwater hosts, mostly fish; during this time I have had opportunity to examine and compare material from a large number of localities embracing many widely separated points. In this work I have been aided very greatly by studies on individual groups undertaken and published under my direction by various graduate stu dents to whom my Obligation is freely expressed here. In connection with this work it has been necessary to examine critically all original records of parasites from similar hosts and to endeavor to reach a positive determination of the parasite under discussion in each case. This is not a Simple matter, as the records were Often made on the basis of a rapid preliminary examination; furthermore, the total lack of Special reference works on these groups led to the recording of parasitic species under general names taken from the older European writers, and these names are often wanting in definite significance. 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.