. Economic entomology for the farmer and the fruit grower, and for use as a text-book in agricultural schools and colleges; . Mouth parts of a mandibulate insect: different types of mandibles at a,b, c, d,e; /, the labrum-epipharynx ; g, h, types of maxillae ; the cardo at c; stipes, st; sub- ^,- galea as marked ; palpus bearer, ;>/V,- palpus at mxp; lacinia at lac ; and digitus at dig-; i, the labium with sub-mentum, sm, mentum, m, ligula, lig, para- glossa,/a>-, and palpi.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomology, bookyear1