CAMBRIDGE ENTOMOLOGICAL CLUB 
A regular meeting of the Club is held on the second Tues- 
day of each month October through May at 8:00 p.m. in 
Room B-455, Biological Laboratories, Divinity Ave., Cam- 
bridge. Entomologists visiting Boston are cordially invited 
to attend. 
BACK VOLUMES OF PSYCHE 
The Cambridge Entomological Club is able to offer for 
sale the following volumes of Psyche. 
Volumes 3, 4, 5, 6, 7, 8, each covering a period of three 
years, $8.00 each. 
Volumes 10, 14, 17 to 26, each covering a single year, 
$2.00 each. 
Volumes 27 to 53, each covering a single year, $2.50. 
Volumes 54 to 64, each covering a single year, $3.00. 
Some other volumes, lacking certain issues, are also 
available (information upon request). 
Orders for 2 or more volumes subject to a discount of 
10 %. 
Orders for 10 or more volumes subject to a discount of 
20 %. 
All orders should be addressed to 
F. M. Carpenter, Editor of Psyche, 
Biological Laboratories, 
Harvard University, 
Cambridge, Mass. 
