. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . Bee-flies and flower-flies.—a, Bomhylius sp. ; b. Pombylius sp. ; c, Anthrax sp. ; d, Eiistalis trausvcisiis : e. Etistalis ti-mix ; f, Eristahs saxorum ; g, Syritta pipiens. Some- what enlarged. From a photograph.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906