. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . The San Jos^ scale : winged male above ; a. vouni; I , female, showing the forming yo of female : all very much enlarged. , r , , . â â ⢠-⢠â â¢â¢''^'3. iust hatched; (^, its antenna- c, female, showmg the forming young through the body wall; d, outline of anal plate

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906