PSYCHE 



A j"OXJK,nsrA.]L. OF" E3srTO]y:oi-.oo"Y 



[Estalilished in 1S7-I ) 



Vol. 9, No. 319 



November, 1902 



CONTENTS 



Notes on Hybrids of Samia cynthia and Attacus prometi£ea. — Caroline 



G. Soule . . . . . . . . . . . . . - 411 



■Group Characteristics of some North American Butterflies. \' — Stnnuel 



H. Scudder 413 



Life Histories of North American Geometridae. XXWII. — Harrison G. 



Dyar 419 



Published \\\ the 



CAMBRIDGE ENTOMOLOGICAL CLUB 

 Cambridge, [Boston] Mass., U. S. A. 



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



[Entered as second class mail matter] 



