AN 
INTRODUCTION 
TO 
ENTOMOLOGY: 
OR 
ELEMENTS 
OF THE 
NATURAL HISTORY OF INSECTS: 
WITH PLATES. 
By WILLIAM KIRBY, M.A. E.R. ann L.S. 
RECTOR OF BARHAM, 
AND 
WILLIAM SPENCE, Eso. F.L.S. 
THIRD EDITION. 
VOL. II. 
LONDON: 
PRINTED FOR LONGMAN, HURST, REES, ORME, AND BROWN, 
PATERNOSTER ROW. 
1823. 
