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Excerpt from Entomological News, 1967, Vol. 78 The individual to be described here was largely male on its left side and female on its right. The change from structures characteristic of one sex to those of the other did not occur exactly in the mid-line and there was some overlapping. In addition, certain parts were intermediate between those found in true males and females. 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.