CAMBRIDGE ENTOMOLOGICAL CLUB 
A regular meeting of the Club is held on the second Tuesday of 
each month October through May at 7 130 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 a drawing by Professor C. T. Brues of a myrme- 
cophilous phorid fly, Ecitomyia spinosa Brues (Psyche, vol. 32 , 
1925 , p. 306 ). 
BACK VOLUMES OF PSYCHE 
The Cambridge Entomological Club is able to offer for sale l he 
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 65, each covering a single year, $3.00. 
Volumes 66 to 69, each covering a single year, $5.00. 
Some other volumes, lacking certain issues, are also available 
(information upon request). 
Orders for 10 or more volumes subject to a discount of 10 %. 
All orders should be addressed to 
F. M. Carpenter, Editor of Psyche, 
Biological Laboratories, 
Harvard University, 
Cambridge, Mass. 
