CONTENTS OF THIS NUMBER. 



Symposium on "The Life Cycle in Insects" — 



1. FoLSOM, J. W. — Apterygota 133 



2. Walker, B. M. — The Orthopteroid Orders 137 



3. Ball, B. D. — Hemiptera (excluding Aphids 



and Coccids) 142 



4. Patch, Bdith M. — Aphids and Coccids 156 



5. Fracker, S. B. — Lepidoptera 167 



6. Chapman, Royal N. — Coleoptera (including 



the Strepsiptera) 174 



7. Metcalf, C. L. — Diptera 180 



8. CoCKERELL, T. D. A. — Hymenoptera 190 



9. Forbes, S. A. — General Discussion 193 



Seamans, Howard L. — The Bxternal Anatomy of 



Anthomyia radicum Linn 201 



HiCKERNELL, L. M. — The Digestive System of the 



Periodical Cicada, Tibicen Septendecim Linn 223 



Price List of Publications. 



Annals, Vols, I to XII, complete, each $3 . 00 



Annals, Separate Parts, except as below, eacfc 1 .00 



Annals, Vols. I and II, Part 3, each 50 



Annals, Vol. IV, Part 4, each 1.50 



BACK VOLUMES 



Of the Annals of the Entomological Society of America may 

 be secured from the ofhce of the Managing Editor and new members 

 of the Society who may wish to complete a set are advised to secure 

 the earlier volumes while there is still a supply on hand and the price 

 is kept at the original subscription rate. 



Address Herbert Osborn, Managing Editor, 



Annals Entomological Society of America, 



State University, Columbus, Ohio. 



