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THE POPULAR SCIENCE MONTHLY 



Professor Frederick V. Theobald 



Frederick V. Theobald, M.A., vice-principal of the Southeastern 

 College of Agriculture at Wye, Kent, England; professor of economic 

 entomology and zoology; author of the five- volume monograph of the 

 Culicidse of the world, issued by the British Museum of Natural His- 

 tory, the first two volumes of which were published, with a volume of 

 plates, in 1901, and afforded a convenient method for the determination 

 of species to the early workers in the transmission of disease by insects. 



