P S Y C 



.A. joxjK,Tsr.A.rj OF EisrTOi^orjOOir. 



[Established in 1874.] 



EDITED BY 



13: PiCKMAN Mann, Washington, D. C. : G: Dimmock, Cambridge, Mass. ; 

 Albert J: Cook, Lansing, Mich.; Stephen Alfred Forbes, Nor?nal, 

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

 ton Snow, Lawrence. Kansas; W : Tkei.ease, Madison. Wise. 



Vol. 4. No. 107-108. 



March-April 1SS3. 



CONTENTS: 



Advertisements 22 



The Scales of Coleoptera. — George Dimmock ....... 23-27 



HoMiNivoRous Habits of Lucilia Macellari-\. "the Screw Worm" — Fraji- 



cis Huntington Snow ........... 27-30 



False Dates 3^-5- 



Proceedings of Societies. — Academy of Natural Sciences of" Philadelphia 32 

 Necrology for 1S79, iSSo, 18S1 and 1SS2 — Bibliographical Record, no. 



3162-3234 33-3S 



Entomological Items — Society Meetings ........ .39-4" 



Published bv the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. vS. A. 



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



[Entered as second class mail matter.] 



