. Agricultural zoology. Zoology. INSECTS. 85 which in this way obtain the requisite amount of oxygen. The stigmata on one side of a caterpillar are clearly shown in Fig. 60, and those of a hornet larva in Fig. 61. Four classes belong to this sub-kingdom: Insecta (Insects), Myriapoda (centipedes, etc.), Arachnoidea (spiders, scorpions, etc.), Crustacea (crayfish, crabs, lobsters, etc.). CLASS I.: INSECTA (INSECTS). Breathe by trachese (cp. p. 84). The segments fuse into three body regions (Fig. 57). These are—. Fig. 67.—a GrasBhopper, with the different regions of the body separated from one an
. Agricultural zoology. Zoology. INSECTS. 85 which in this way obtain the requisite amount of oxygen. The stigmata on one side of a caterpillar are clearly shown in Fig. 60, and those of a hornet larva in Fig. 61. Four classes belong to this sub-kingdom: Insecta (Insects), Myriapoda (centipedes, etc.), Arachnoidea (spiders, scorpions, etc.), Crustacea (crayfish, crabs, lobsters, etc.). CLASS I.: INSECTA (INSECTS). Breathe by trachese (cp. p. 84). The segments fuse into three body regions (Fig. 57). These are—. Fig. 67.—a GrasBhopper, with the different regions of the body separated from one another. A, head; B, thorax: /., prothorax; //., mesothorax; III., meta- tborax; C, abdomen; a, antcnnte; 6, eyes; c, d, e, legs; /', g, wings; p, shank; q, 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 Bos, Jan Ritzema, 1850-1928; Ainsworth Davis, J. R. (James Richard), 1861-1934. London, Chapman & Hall, Ld.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1894
