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ON

THE SENSES, INSTINCTS, AND

INTELLIGENCE

OF

Α Ν Ι Μ Α L S,

WITH SPECIAL REFERENCE TO INSECTS

BY

SIR JOHN LUBBOCK, BART.

M.P., F.R.S., D.C.L., LL.D.

PRINCIPAL OF THE LONDON WORKING MEN'S COLLEGE

PRESIDENT OF THE LONDON CHAMBER OF COMMERCE

WITH OVER ONE HUNDRED ILLUSTRATIONS

SECOND EDITION

LONDON

KEGAN PAUL, TRENCH & CO., 1, PATERNOSTER SQUARE

1889

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(The rights of translation and of reproduction are reserved.)

PREFACE.

In the present volume I have collected together some of my recent observations on the senses and intelligence of animals, and especially of insects.

While attempting to understand the manners and customs, habits and behaviour, of animals, as well as for the purpose of devising test experiments, I have found it necessary to make myself acquainted as far as possible with the mechanism of the senses, and the organs by means of which sensations are transmitted. With this object I had to look up a great number of memoirs, in various languages, and scattered through many different periodicals; and it seemed to me that it might be interesting, and save others some of the labour I had to undergo myself, if I were to bring together the notes I had made, and give a list of the principal memoirs consulted. I have accordingly attempted to give, very briefly, some idea of the organs of sense, commencing in each case with those of man himself.

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Mr. John Evans, Dr. M. Foster, and my brother, Dr. Lubbock, have been so kind as to read through the proofs, and I have to thank them for many valuable suggestions. Lord Rayleigh also has been so good as to look at the chapters on Hearing.

High Elms, Dowx, KENT.

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