CAMBRIDGE ENTOMOLOGICAL CLUB 
A regular meeting of the Club is held on the second Tuesday of 
each month October through May at 7:30 p.m. in Room B-455, 
Biological Laboratories, Divinity Ave., Cambridge. Entomologists 
visiting the vicinity are cordially invited to attend. 
The illustration on the front cover of this issue of Psyche is a 
reproduction of the drawing by F. R. Cole of a robberfly, Metapogon 
pictus Cole. (Psyche, vol. 23, Plate 9, 1916). 
BACK VOLUMES OF PSYCHE 
The Johnson Reprint Corporation, hi Fifth Avenue, New York 
N. Y. 10003, has been designated the exclusive agents for Psyche, 
volumes 1 through 62. Requests for information and orders for such 
volumes should be sent directly to the Johnson Reprint Corporation. 
Copies of issues in volumes 63-74 are obtainable from the editorial 
offices of Psyche. Volumes 63-74 are $5 .00 each. 
F. M. Carpenter 
Editorial Office, Psyche, 
16 Divinity Avenue, 
Cambridge, Mass., 02138. 
