Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . Fig. 155.* Fig. 156. tongue; the obsolete mandibles; and the broad, regularlyveined wings, which are covered with minute scales. Their transformations are complete ; the active larvae assum-ing a cylindrical, worm-like form, being rarely footless, and al am ab.

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishe, booksubjectinsects