CAMBRIDGE ENTOMOLOGICAL CLUB 
OFFICERS FOR 1934 
President 
Vice-President 
Secretary 
Treasurer 
Executive Committee 
P. J. Darlington, Jr. 
. 0. E. Plath 
D. Davenport 
F. H. Walker 
J os. Bequaert 
. F. M. Carpenter 
. W. M. Wheeler 
EDITORIAL BOARD OF PSYCHE 
EDITOR-IN-CHIEF 
C. T. Brues, Harvard University 
ASSOCIATE EDITOR 
F. M. Carpenter 
CONSULTING EDITORS 
Nathan Banks, 
Harvard University. 
Thomas Barbour, 
Harvard University. 
A. E. Emerson, 
University of Chicago. 
A. L. Melander, 
College of the 
City of New York. 
A. P. Morse, 
Peabody Museum, 
Salem, Mass. 
J. G. Needham, 
Cornell University. 
W. M. Wheeler, 
Harvard University. 
PSYCHE is published quarterly, the issues appearing in March, June, September, 
and December. Subscription price, per year, payable in advance: $2.00 to Subscribers 
in the United States ; foreign postage, 25 cents extra, Canada 15 cents. Single 
copies, 65 cents. 
Cheques and remittances should be addressed to Treasurer, Cambridge Entomological 
Club, Institute of Biology, Harvard University, Cambridge, Mass. 
Orders for back volumes, missing numbers, notices of change of address, etc., 
should be sent to F. M. Carpenter, Museum of Comparative Zoology, Cambridge, Mass. 
IMPORTANT NOTICE TO CONTRIBUTORS 
Manuscripts intended for publication, books intended for review, and other edi- 
torial matter, should be addressed to Professor C. T. Brues, Institute of Biology, 
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. 
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. 
Printed by the Eliot Press Inc., Jamaica Plain, Mass., U. S. A. 
