PSYCHE, 



[Established in 1S74.] 



Vol. '5. No. 172-174. 



August — October, 1S90. 

 COJVTBJVTS: 



Advertisements ............. 382 



Notes and Descriptions of some North A.merican Libellulina. — 



Hermann August Hagen ........... 3S3-3S7 



Synonymy of the Homoptera described by Say, Harris and Fitch. 



E. P. Van Duzce 3S7-391 



A New Cecidomyiid Infesting Box Elder. — C. P. Gillette . . . 392-393 



Preparatory Stages of Cerura multiscripta, Riley. — Hnrrisou G. Dyar 393-395 



Notes on the Early Stages of two Sphingidae. — AlpJieus Spring Packard 396-401 



Note on Two Species of Datana. — William Beutenmiillcr .... 401 



Edwards's Bibliography of Transformations ...... 401-402 



Do Flies Migrate? — Samuel Hubbard Scudder ...... 402-403 



The Supposed Bot-Fly Parasite of the Box-Turtle. — William M. Wlieeler 403 



An Internal Dipterous P.\rasite of Spiders. — yames Henry Emerton . 404 



Entomological Notes 405-406 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



« 



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



[Entered as second class mail matter.] 



