AN 



INTRODUCTION 



TO 



ENTOMOLOGY: 



OR 



ELEMENTS 



OF THE 



NATURAL HISTORY OF INSECTS: 



WITH PLATES. 



M .9-^^^ 



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



RECTOR OF BARHAM, 

 AND 



WILLIAM SPENCE, Esq. F.L.S. 



IN FOUR VOLUMES. 

 VOL. I. 



FIFTH EDITION. 



^^ LONDON: 



PRINTED FOR 



LONGMAN, REES, OllME, BROWN, AND GREEN, 



PATERNOSTER- ilOW. 



1«28. 



