TEXT-BOOK OF ENTOMOLOGY 



INCLUDING 



THE ANATOMY, PHYSIOLOGY, EMBRYOLOGY 

 AND METAMORPHOSES 



INSECTS 



FOR USE 1 ' 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 FOB 



BEGINNERS," BTC. 



STefo gork 

 THE MACMILLAN COMPANY 



LONDON: MACMILLAN & CO., LTD. 

 1909 



All rights reserved 



