

X^ 'VAT 



PSYCH 



A. JOTJTZ1STJ±Lj OF 1 ENTOMOLOGY. 

 [Established in 1874.] 



Vol. 6. No. 191. 



March, 1S92. 



CONTENTS: 



Experiments for the destruction of chinch bugs by infection. — Francis 



H. Snoiv .............. 225 



Concerning the Blood-tissue of the Insecta. — II. — W. M. Wheeler . . 233 



A new genus and species of Tabanidae (Illustrated) — J. M. Aldrich . . 236 

 Miscellaneous Notes (Pieris rapae engaged in a new kind of sport; the gypsy 



moth ; the amber museum of Stantien and Becker) ...... 237 



Proceedings of the Cambridge Entomological Club 238 



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.] 



