Excerpt from The Early Stages of Tabanidae (Horse-Flies) There is, however, another consideration of some importance which has guided me in preparing this review; that is, the desirability of having, generally, all the facts on one subject of research concentrated in one language, preferably English. The diversity of languages is a great hindrance for the progress of science, and from the point of view of methodical unification, specialists in any branch of science should be encouraged to concentrate all the literature on their own subject in the language which they prefer to have used. Having given considerable time to the study of this question, I cannot see any serious objection to the more general adoption of English in science. It is to be hoped that the temporary disadvantages to the non-english-speaking scientists, resulting from its adoption would be made up by the advantages of a great progress in science which would undoubtedly follow. It is for the scientists of English-speaking countries to pave the way, by conquering the field systematically, subject after subject, and to facilitate the production of new work by a complete assimilation of work previously done in foreign languages. I wish to express my indebtedness to the authorities of the American Museum of Natural History and of the Philadelphia Academy of Natural Science for giving me liberal access to their libraries and collections, and to Dr. Theobald Smith, Director of the Department of Animal Pathology under whose guidance this work was rendered possible. 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.

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