The Genera of Diaspinae of North America and the Genus Lepidosaphes (Classic Reprint)

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Excerpt from The Genera of Diaspinae of North America and the Genus LepidosaphesIt would be rather difficult to estimate the amount of time spent on the preparation of this paper, as in a way the classi fication of the unworked material in our collection gave me the preliminary training which is the most important step in mono graphing a group. The actual writing of this contribution which serves as the major portion of a thesis for the degree of Doctor of Philosophy, took about a year and a half.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.