PSYCHE, 



A. JOXJK,3Sr.A.L OF ElSTTOIMOrjOGI-^Sr. 



[Establislied in 1S74.] 



Vol. 6. No. 160-164. 



August-December 1889. 

 COJVTBJVY'S: 



Advertisements ............. 



Contribution to a list of the Coleoptera of the Lower Peninsula of 



Michigan. — Tyler Toxvnsend ...... 



A short chapter in the history of the Cynipidous Gall-flies. — Homer 



Franklin Bassett .......... 



On a new species of Pediopsis. — Edward P. Van Dnzee ... 

 Synopsis of the Odonataof North America. No. i. — Hermann Atigust Hagen 



A CONTRIBUTION TOWARDS A KNOWLEDGE OF TERMITES. Battista Grassi . 



Notes on Asilidae. — Samuel Wendell Willtston . ..... 



Notes on the early stages of some Heterocera — Caroline G. Sonle anc 



Ida M. Eliot 



The male element the originating factor in the development of 

 species. — Jerotne McNeill ......... 



The Strawberry Root Louse (Aphis forbesi N. S.) — Clarence Moores Weed 

 Classified list of food plants of American Butterflies, drawn from 



Scudder's "Butterflies of the Eastern United States" 

 Parasitism of Hippodamia convergens. — C. P. Gillette . 

 Emphytus cinctus in Amerjca. — -John G. yack . 

 Power of vision in Vkspidxe. — Sa/nuel Hubbard Scudder 

 Second brood of Callosamia promethea. — Holmes Hinkley 

 Notes on Emesa longipes DeGeer. — Clarence Moores Weed 

 Description of the larva of Osmoderma scabra, Beauv. — William Beuten 

 miiller ........... 



Proceedngsof Societies. — Cambridge Entomological Club — Colorado Biolo- 

 gical Association ............ 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



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



fEntered as second class mail matter.] 



