CAMBRIDGE ENTOMOLOGICAL CLUB 
President . 
OFFICERS FOR 1925 
J. H. Emerton 
Vice-President 
R. H. Howe 
Secretary 
. 
J. Bequaert 
Treasurer 
. 
F. H. Walker 
Executive Committee 
. A. P. Morse, 
S. M. Dohanian 
S. W. Denton 
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, Peabody Museum. 
J. H. Emerton, J. G. Needham, 
Boston, Mass. Cornell University. 
W. M. Wheeler, 
Harvard University. 
PSYCHE is published bi-monthly, the issues appearing in February, April, June, August, 
October and December. Subscription price, per year, payable in advance: $2.00 to sub- 
scribers in the United States, Canada or Mexico; foreign postage, 15 cents extra. 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 ail illustrations 
must be borne by contributors; the expense for full page plates from line drawings is 
approximately $5.00 each, and for full page half-tones, $7.50 each; smaller sizes in pro- 
portion. 
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 application. 
Entered as second-class mail matter at the Post Office at Boston, Mass. Acceptance 
or mailing at special rate of postage provided in Section 1103, Act of October 3, 1917, 
authorized on June 29, 1918. 
