Painted by J. J. Masquerier.         Engraved by W. T. Fry.



William Spence, Esq^r., F.L.S.

Published by Longman & C^o. London, July 1825.

AN

INTRODUCTION

TO

ENTOMOLOGY:

OR

ELEMENTS

OF THE

NATURAL HISTORY OF INSECTS:

WITH PLATES.

By WILLIAM KIRBY, M.A. F.R. and L.S.

RECTOR OF BARHAM,
AND

WILLIAM SPENCE, Esq. F.L.S.

IN FOUR VOLUMES.

VOL. IV.

FIFTH EDITION.

LONDON:

PRINTED FOR

LONGMAN, REES, ORME, BROWN, AND GREEN,

PATERNOSTER ROW.

1828.

PRINTED BY RICHARD TAYLOR,

RED LION COURT, FLEET STREET.

CONTENTS OF VOL. IV.