. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . Uee-flies and flower-flies.—a. Hoiiibylius sp.: b. h'oinbylius sp.'; c. Anthrax sp. ; d, Kiistalis lyansvnsus: c, Eiistalis Irnax;/, Eristalis saxorum;g, Syrittapipiens. Some- wlial enlarged. From a photoi;ra])li.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1