Psvche, A Journal of Entomology, 



is issued bimonthly, on or about, February 15, April 15, June 15, August 15, Octo- 

 ber 15, and December 15. 



Separates, if desired, must be ordered in advance of publication. 



Fifty separates of leading articles will be furnished gratis; additional copies 

 will be supplied at cost. 



Manuscripts, and books and pamphlets for review, should be sent to tlie 

 EDITOR OF PSYCHE, CAMBRIDGE, MASS. 



Subscription to Volume 10 (6 numbers), payable in advance, $2.00; single 

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A limited number of copies of volumes 1-9 can be supplied at S5.00 a volume. 



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 addressed to the 



EDITOR OF PSYCHE, 



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