psYCHili:;^. 



A. JOXJK.3SrA.L OF- EITTOiMOLOO"^'. 



[Established in 1S74.] 



EDITED BY 



V>: PicKMAx Mann, Washington, D. C. ; G: Dimmock, Cambridge, Mass.; 

 Albekt J : Cook, Lansing, Mich. ; Stephen Alfred FoRnES, Norjnal, 

 III. ; Joseph Albert Lintner. Albany, TV. T. ; Francis Hunting- 

 ton Snow. Lawrence, Kansas; W : Trelease, Madison, Wise. 



Vol. 4. No. 109-110. 



May-June 1SS3. 



CONTENT.S: 



Advertisements .............. 42 



The Scales of Coleoptera. — Grorg-e Dimtnock ....... 43-47 



On an Egg-parasite of the Currant Saw-fly (Nematus ventricosus) — 



Joseph Albert Lintner .......... 4S-151 



The Tarsal and Antennal Characters of Psocidae — Homajiii Aiig-iist 



Hagen .............. 1^2 



The Chigoe in Africa 52 



Rearing Lepidoptera ............ 153 



Book Notices .............. S3-54 



Proceedings of Societies. — Cambritlge Entomological Club — Linnean Societj 



of London ............. 54 



Bibliographical Record, no. 3235-32S2 S5-.sS 



Entomological Items — Notices to Entomologists — Society Meetings . . . 59-60 



i< 



^K 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridcje, Mass., U. S. A. 



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



[Entered as second class mail matter.] 



