THE ELEMENTS ^M-^-^^'"'^- 



OF 



INSECT ANATOMY 



A A' OUTLINE FOR THE USE OF STUDENTS 

 IN ENTOMOLOGICAL LABORATORIES 



BY 



JOHN HENRY COMSTOCK 



PROFESSOR OF ENTOMOLOGV AND GENERAL INVERTEBRATE ZOOLOGk' 

 IN CORNELL UNIVERSITY 



AND 



VERNON L. KELLOGG 



PROFESSOR OF ENTOMOLOGY IN LELAND STANFORD, JR., UNIVERSITY 



NINTH EDITION 



* ITHACA, NEW YORK 



THE COMSTOCK PUBLISHING CO. 



1916 



^\THSON/^ 



MAY 8 1979 



s^' 



■y 



