PSYCHE, 





A. JOXJRKT^IL. OIF 1 ENTOMOLOar:^^ 1 



[Established in 1874.] 



Vol. 6. No. 18.2 



June, 1S91. 



CONTENTS: 



A decade of monstrous beetles (Plate 2). — Samuel H. Scudder .... 89 



Personal notes .............. 93 



Description of the preparatory stages of Callosamia promethea Drury. — 



Wm. Beutenm'aller ............. 94 



Preparatory stages of Heterocampa unicolor Pack. — Harrison G. Dyar. . 95 



The embryology of a common fly. — W. M. Wheeler ...... 97 



Oeneis and its early stages. — Samuel H. Scudder ....... 99 



Notes (Lowne's Anatomy of the blow-fly; death of Kiinckel d'Herculais ; distribution 



of Vanessa cardui) ............. 100 



Proceedings of the Cambridge Entomological Club 101 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



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



[Entered as second class mail matter.] 



