. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. ARTICULATA. 2S5 of wood; the Horned Corjdalis {OorT/dalas), of which the male has formidable mandibles twice as long as the head; and the White Ants (TerTnes) of the tropics. 2. Orthoj)ters have four wings: the front pair some- what thickened, narrow, and overlapping along the back; the hind pair broad, net-veined, and folding up like a fan upon the abdomen. The hind legs are usually lai-ge, and fitted for leaping, all the species being terrestrial, although some fly as well as leap. The eyes are small,


. Comparative zoology, structural and systematic. For use in schools and colleges. Zoology. ARTICULATA. 2S5 of wood; the Horned Corjdalis {OorT/dalas), of which the male has formidable mandibles twice as long as the head; and the White Ants (TerTnes) of the tropics. 2. Orthoj)ters have four wings: the front pair some- what thickened, narrow, and overlapping along the back; the hind pair broad, net-veined, and folding up like a fan upon the abdomen. The hind legs are usually lai-ge, and fitted for leaping, all the species being terrestrial, although some fly as well as leap. The eyes are small, the mouth. Fig. 25G.—Metamorphosis of a Cricket {GnjUus). remarkably developed for cutting and grinding. The lar- vae and pupce are active, and resemble the imago. They are all vegetarian. Each family produces characteristic ?ounds (stridulation). The i-epresentative forms are Crick- ets {Gryllus), Locusts {Locusta), Grasslioppers {Acrydium), Walking-sticks {Phasma\ and Cockroaches {Blatta). 3. Ilemij^ters, or " Bugs," are chiefly characterized by a suctorial mouth, which is j^roduced into a long, hard. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Orton, James, 1830-1877. New York, Harper and brothers


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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology