P S YC H 



-A. joxjK,nsrjLnL. of ekttoi^oil.oo'Y". 



[Established in 1S74.] 



EDITED BY 



B: PicKMAN ISIann, Washington. D. C. ; G: Dimmock, Cambridge, Alass. ; 



Albert J: Cook, Lansijig. Mich.; Stephen- Alfred Forbes, Normal, 



III.; Joseph Albert Lintner, Albany, N. 2'. ; Francis Hunting- 



Tox .Snow, Lazurence. Kansas; W : Trelease, Madison, Wise. 



Vol. 4. No. 115-116. 



Nove.mber-December 1SS3. 



CONTENTS: 



Advertisements 102 



.\ NEW Sexial Character in the Pipae of some Lepidoptera — Joseph 



Albert Lintner 103-106 



Tribute to the memory of John Lawrence LeConte — Clmrles Valentine 



Riley 107-110 



Gills of Insect-Larvae — George Mitcloskie ........ 110-112 



The Screw- Worm Fly, Compsomyia macellaria — Stimnel Wendell Williston 112-114 



Influe.vce of Color ox Insects 114 



TowxEND Glover 115-116 



Proceedixgs of Societies. — Cambridge Entomological Club .... 116 



Bibliographical Record, no. 333S-3353 117-11S 



Entomological Items — Society Meetings 1 19-120 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 



YE.VRLY SUBSCRIPTIONS. $2. VOLUME. $5. MONTHLY NUMEROS, 20 c. 



[Entered as second class mail matter.] 



