AN 



INTEODUCTION 



TO 



ENTOMOLOGY; 



OR, 



ELEMENTS 



OF 



THE NATURAL HISTORY OE INSECTS: 



COMPRISING 



AN ACCOUNT OF NOXIOUS AND USEFUL INSECTS, 



OF THEIR METAMORPHOSES, FOOD, STRATAGEMS, HABITATIONS, SOCIETIES, MOTIONS, 

 NOISES, HYBERNATION, INSTINCT, ETC. ETC. 



iDitlj |3latc0. 



BY 

 WILLIAM KIRBY, M.A. F.R.S. h L.S. 



RECTOR OF BARHAM, 

 AND 



WILLIAM SPENCE, Esq. F.R.S. &t L.S. 



FROM THE 



SIXTH LONDON EDITION, 



WHICH WAS CORRECTED AND CONSIDERABLY ENLARGED. 



PHILADELPHIA: 



LEA AND BLANCHARD 



1846. 



