. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . Our coniiiioii liumhlc-bees.—n, Xylncnpa vir_s:inica ; h, Rombus ferviihn ; r, B. consiniilis; d, B. virginicus ; r, B. antrricanoyum (queen) ; /', B. fmiidiis: .?-, A", amrn'canoruiii (worker), to show pollen mass on hind tibia; h, /'. vagans; i, Apalltus rlatus. All somewhat nH>re than natural size.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1