P S YC H W, 



A. JOXJK.]ISr.A.L OF ElsTTOnyCC 



[Established in 1S74.] 



OC3-Y. ^^o^^ 



EDITED Bl' 



B: PiCKMAN Mann, Washhigton. D. C. ; G: Dimmock, Cambridge, Mass.; 

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

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

 ton Snow, La-vrence. Kansas; W : Trelease, Madison. Wi.sc. 



Vol. 4. Nos. 124-125. 



August-September 1SS4. 



CONTENTS: 



Advertisements .............. 194 



Notes ON the Relations of two Cecidomyi.^ns to Fungi — William Trelease ■ 195-200 



\V.\NT OF Symmetry among Insects — Oskar Paul Kranclier .... 200-203 



Food-Plants of Beetles bred in Maryland — Oito Lugger .... 203-204 



Effeot of Cyanide upon Colour 204 



Francis Gregory Sanborn ... 205 



Notice of an Omission from Leconte's Edition of Thomas Say's Writ- 

 ings — L. O. Hoivard 206 



A Butterfly attracted by Lamplight — Mary Esther Miirtfeldl . . . 206 



Proceedings of Societies — Linnean Society of London ..... 206 



Bibliographical Record, no. 3551-3590 207-210 



Entomological 'Items — Acknowledgment of Contributions ..... 211-212 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 

 VEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMEROS, 30 c. 



FEntered as second class mail matter.] 



