Page:Popular Science Monthly Volume 87.djvu/74

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THE POPULAR SCIENCE MONTHLY
 
PSM V87 D074 Frederick V Theobald.png
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 Culicidæ of the world, issued by the British Museum of Natural History, 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.