CAMBRIDGE ENTOMOLOGICAL CLUB 
OFFICERS FOR 1947-48 
President . 
Vice President . 
Secretary . 
Treasurer . 
Executive Committee 
G. A. Edwards 
C. L. Remington 
N. S. Bailey 
F. M. Carpenter 
. B. I. Gerry 
Y. Nabokov 
EDITORIAL BOARD OF PSYCHE 
F. M. Carpenter — editor 
C. T. Brues 
P. J. Darlington, Jr. 
J. Bequaert 
PSYCHE is published quarterly, the issues appearing in March, June, Septem- 
ber, and December. Subscription price, per year, payable in advance : $3.00 to 
Subscribers in the United States ; Canadian and foreign subscriptions $3.25, 
payable at par. Single copies, 85 cents. 
Cheques and remittances should be addressed to Treasurer, Cambridge Entomo- 
logical Club, Biological Laboratories, Harvard University, Cambridge, Mass. 
Orders for back volumes, missing numbers, notices of change of address, etc., 
should be sent to the Editorial Office of Psyche, Biological Laboratories, Harvard 
University, Cambridge, Mass. 
IMPORTANT NOTICE TO CONTRIBUTORS 
Manuscripts intended for publication, books intended for review, and other edi- 
torial matter, should be addressed to Professor F. M. Carpenter, Biological Labo- 
ratories, Harvard University, Cambridge, 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 $5.00 each, and for full page half-tones, 
$7.50 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 application. 
The June, 1947, Psyche (Vol. 54, No. 2) was mailed June 19, 1947. 
THE SCIENCE PRESS PRINTING COMPANY, LANCASTER, PA. 
