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 of a spider on the front cover of this issue of 
Psyche was reproduced from an original drawing made by J. H. 
Emerton and contained in the Museum of Comparative Zoology. 
First published in the Transactions of the Connecticut Academy of 
Arts and Sciences ( 1909 , vol. 14 , plate 7 , fig. 5 ), it shows the dis- 
playing posture of the male of Habronattus viridipes (Hentz). 
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 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. 
