A Monograph of the British Phytophagous Hymenoptera, Vol. 4

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Excerpt from A Monograph of the British Phytophagous Hymenoptera, Vol. 4: Cynipidæ and AppendixThe Appendix brings up our information to date, more particularly as regards the nomenclature and biology of the groups. As Will be seen, considerable alteration has been made in the definitions of the genera, their number, as compared with What Thomson and myself have adopted, being greatly increased. The only remark I make on this subject is that if exotic species are to be treated according to the same method a large number of genera or sub -genera will have to be created.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.