PSYCHE 



^ JO'CJR.HSr.A^nL. of EITT01>/E0I-.0a-"Y 



[Eitahlished in 187^] 



Vol. 9, No. 305 



September, igoi 



COJVTBN'/'S 



Sketch of the habits of North American ants, — II — Atiguste Forel . 243 



Studies for students. — II. The histoblasts (imaginal buds) of the wings 



AND LEGS OF THE GIANT CRANE-FLY (HoLORUSIA RUBIGINOSA) (Illustrated) 



Vernon L. Kellogg ............. 246 



Life histories of North American Geometridae. — XXV — Harrison G. Dyar 250 



WiLLEM ON ApTERYGOTA 252 



The INNER COCOON of Attacine moths — Caroline G. Soiile ..... 252 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Cambridge, Mass., U. S. A. 



YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMBERS, jo c. 

 [Entered as second class mail matter] 



