PSYCHE, 



A JOXTK-KTA-L OF EaSTTOlv^OLOO^ST. 



[Est;iblishe(l in 187^.] 



Vol. 8. No. 280. 



August, 1899. 



CONTENTS: 



The segmentation of the insect head. — Justus Walsoii Folsom. . . . 391 



Descriptions of three new species of Aleurodidae from Brazil. — Adolf h 



Hempel. ............... 394 



Life Histories of North A.meric.^n Geometridae. III. — Harrison G. Dyar. . 395 

 Proceedings of the Ca.mbridge Entomological Club (Death; night-flying but- 

 terflies ; segments in head of insects. ......... 395 



Supplement to Psyche, II. — An index to Stal's genera of Orthoptera. — 

 Samuel H. Scudder. ............ 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Ca.mbridge, Mass., U. S. A. 



YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMBERS, 20c. 

 [Entered as second class mail matter.] 



