TEXT-BOOK OF ENTOMOLOGY 



INCLUDING 



THE ANATOMY, PHYSIOLOGY, EMBRYOLOGY 

 AND METAMORPHOSES 



OF 



INSECTS 



FOR USE IN AGRICULTURAL AND TECHNICAL 

 SCHOOLS AND COLLEGES 



AS WELL AS BY THE WORKING ENTOMOLOGIST 



BY 



ALPHEUS S. PACKARD, M.D., PH.D. 



PROFESSOR OF ZOOLOGY AND GEOLOGY, BROWN UNIVERSITY 

 AUTHOR OF " GUIDE TO STUDY OF INSECTS," " ENTOMOLOGY FOR 



BEGINNERS," ETC. 



THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO., LTD. 



1898 



All rights reserved 



