Excerpt from A Monograph of the British Phytophagous Hymenoptera, Vol. 2: Tenthredo, Sirex and Cynips, Linn My third volume will contain the remainder of the Tenthredinidae, the Siricidae, and the introductory part of the Cynipidae, including a discussion on the pheno mena relating to the structure and growth of galls in general. The fourth (and concluding) volume will deal with the systematic portion of the Cynipidae. 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.

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