VI 



The 



JOURNAL OF ECONOMIC 

 BIOLOGY 



Edited by WALTER E. COLLINGE, M.Sc, F.L.S., F.E.S. 



Contains articles treating of all branches of Eco- 

 nomic Biology, Entomology, Parasitology, Mycology, 

 etc. Fully illustrated by lithographic plates and text 

 figures. A few sets of Vols. 1-8 still remain, price 

 ^Is. each. Volume 9, now in course of publication, 

 will consist of four parts, price 21^. 



All editorial communications should he addressed to 

 Walter E. Collinge, 59 Newhall Street, Birmingham, 

 and all subscriptions to 



London: DULAU & CO., Ltd., 37 Soho Square, W. 

 Berlin: R. FRIEDLANDER <5? SOHN. 



IMPORTANT NOTICE 

 TO ALL SUBSCRIBERS 



9 All Subscribers are requested to notify the Business Manager 

 if any change of address is desired. 



^ The Mailing List is carefully prepared for each issue and 

 each subscriber is requested to immediately report any failure 

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 Subscribers in the United States within sixty days or from 

 foreign Subscribers within ninety days from date of mailing 

 the issues, the missing numbers will be furnished only at the 

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A. F. BURGESS, Business Manager 

 MELROSE HIGHLANDS, MASS., U. S. A. 



Please mention the Journal of Economic Entomology when writing to advertisers. 



