CAMBRIDGE ENTOMOLOGICAL CLUB 



OFFICERS FOR 1922 



President . . . . . . W. M. Wheeler 



Vice-President . . . . L. R. Reynolds 



Secretary . . . . . . J. H. Emerton 



Treasurer ..... .F.H.Walker 



Executive Commiitee . Nathan Banks, S. W. Denton 



L. W. SWETT 

 EDITORIAL BOARD OF PSYCHE 



EDITOR-IN-CHIEF 



C. T. Brues, Harvard University 



ASSOCIATE EDITORS 



C. W. Johnson, Nathan Banks, 



Boston Society of Natural History. Harvard University. 



A. L. Melander, a. p. Morse, 



Washington State' College. Wellesley College. 



J. H. Emerton, J. G. Needham, 



Boston, Mass. Cornell University. 



W\ M. Wheeler, 

 Harvard University. 



PSYCHE is published bi-montlily, the issues appearing in February, April, June, August, 

 October and December. Subscription price, per year, payable in advance: S2.00 to subscribers 

 in the United States, Canada or Mexico, foreign postage, 15 cents e.xtra. Single copies, 40 cents. 



Cheques and remittances should be addressed to Treasurer, Cambridge Entomological Club, 

 Bussey Institution, Forest Hills, Boston 30, Mass. 



Orders for back volumes, missing numbers, notices of change of address, etc., should be sent 

 to Cambridge Entomological Club, Bussey Institution, Forest Hills, Boston 30, Mass. 



IMPORTANT NOTICE TO CONTRIBUTORS. 



Manuscripts intended for publication, books intended for review, and other editorial matter, 

 should be addressed to Professor C. T. Brues, Bussey Institution, Forest Hills, Boston 30, 

 Mass. 



Authors contributing articles over 8 printed pages in length will be required to bear a part 

 of the extra, expense for additional pages. This expense will be that of typesetting only, which 

 is about §2. 00 per page. The actual cost of preparing cuts for all illustrations must be borne 

 by contributors: the expense for full page plates from line drawings is approximately $S.oo 

 each, and for full age half-tones, S7.50 each; smaller sizes in proportion. 



AUTHOR'S SEPARATES. 



Reprints of articles may be secured by authors, if they are ordered before, or at the time 

 proofs are received for corrections. The cost of these will be furnished by the Editor on appli- 

 cation. 



Entered as second-class mail matter at the Post Office at Boston, Mass. Acceptance for 

 mailing at special rate of postage provided in Section 1103, Act of October 3, 1917, authorized 

 on June 29, 1918, 



