PSYCHE, 



J^ JOXJRlSr^L OF EnSTTOni^OLOGJ-Y. 



[Established in 1874.] 



Vol. 5. No. 169 



May, 1S90. 

 COJVTBA'TS: 



Advertisements ............. 336 



Descriptions of some new North American Dolichopodidae. — William 



M. Wheeler 337-343 



Notes on the Structure and History of Haematobia serrata. — John B. 



Smith 343-347 



Notes on the Southern Distribution of some common Butterflies. — 



Elliso7i A. Smyth, Jr. ........... 347-348 



The genus Argynnis . . 348 



Habit of Vespa. — T. D. A. Cockerell 348 



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.] 



