Poy Celie 
Editor-in-Chief and Publication Manager, W. L. W. FIELD; 
Associate Editors, C. B. Davenport, J. H. Emerton, V. L. KEtioae, 
C. W. Jounson, A. P. Morssz, J. G. NEEDHAM, W. M. WHEELER. 
Psycue is published bi-monthly, 2. e. in February, April, June, August, October and December. 
Subscription price, per year, payable in advance: $1.00 to subscribers in the U. S. and its Terri- 
tories and Dependencies or in Mexico; $1.15 to those in other countries. 
To Contributors: 
Copy should be typewritten whenever possible. 
Separates, if desired, must be ordered in advance of publication, 
25 Separates of leading articles will be furnished gratis; additional copies will be supplied at cost. 
ADVERTISING RATES furnished upon application. 
All material for publication in a given number must be in the hands of the Editors on or before 
the first day of the month preceding the month of publication. 
All correspondence should be addressed to 
CAMBRIDGE ENTOMOLOGICAL CLUB, 
CarRE Boston Society or NATURAL HiIsToRY, 
BERKELEY STREET, BOSTON, MASS. 
Entered as second-class] matter Dec. 21, 1906, at the Post Office at Boston, Mass., under the Act of 
Congress of March 3, 1879. 
Locality Pin Labels 20c. 0) Any Number of Lines 
Printed from smallest type made, on Best Heavy White Paper. Something 
new. 30 or more labels on a strip; no trimming; 1 cut of scissors makes a label. 
Orders must be in multiples of 1000. Not less than 1000 printed. Please send 
money orders —not postage stamps. 
C. V. BLACKBURN, (Member Cambridge Entomological Club) 
STONEHAT, MASS. 
