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 . Fiar. 1 or four genera of the lower families are partially aquatic, while,as a whole, the suborder is purely terrestrial. The three regions of the body are very distinct, but the head,though free, is smaller and with its parts less equally developed ^ ? E 12 iU/10/ c, ran

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishe, booksubjectinsects