Introduction

In view of the necessity in Entomology of the acceptance of a universal code of terms to differentiate or describe the parts or characteristics of insects, and owing to the absence of such a work, I have, through the courtesy of the authorities of the British Museum (Natural History), availed myself of the use of their extensive library to compile this book.

I also have to acknowledge my indebtedness to Professor F. V. Theobald for reading the proof-sheets, and for his valuable advice; to Mr. Gahan for the great interest he has taken in this publication; and to Miss E. H. Clemetson, Assoc. Inst. of Linguists, for revising the derivations.

I shall be happy to be notified of any omissions in this, the first edition, in order to render future issues more complete.

NIGEL K. JARDINE.

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