. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. Fig. 343.—Scolopendra cingulata. Cross section of young embryo soon after flexure of germ band, {coel) Coelome. {dm) Membrana dorsalis. {mge) Mid-gut epithelium, (p) Leg. {sin) Lateral blood sinus (schizocoel). {ster) Anlage of lateral sternite. {ter) Anlage of lateral tergite. {vm) Membrana ventralis. {y) Yolk. {Adapted from Heymons.). vm Fig. 344.—Scolopendra. Cross sec- tion, {dm) Membrana dorsalis. {ggl
. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. Fig. 343.—Scolopendra cingulata. Cross section of young embryo soon after flexure of germ band, {coel) Coelome. {dm) Membrana dorsalis. {mge) Mid-gut epithelium, (p) Leg. {sin) Lateral blood sinus (schizocoel). {ster) Anlage of lateral sternite. {ter) Anlage of lateral tergite. {vm) Membrana ventralis. {y) Yolk. {Adapted from Heymons.). vm Fig. 344.—Scolopendra. Cross sec- tion, {dm) Membrana dorsalis. {ggl) Rudiment of ganglion before mesad migration, (p) Leg. {ster) Sternite. (ter) Tergite. {vm) Membrana ventralis. {y) Yolk. {Adapted from Heymons.) Fig. 345.—Scolopendra. Cross section of stage later than that of Fig. 344. {ggl) Ganglia after mesad migration. Other designations as in Fig. 344. {Adapted from Heymons.) distinct but thin and colorless cuticula forms over the body wall. On the lateral margin of the second maxilla a sclerotized egg tooth is developed by means of which the very brittle chorion is broken into equal parts, one hemisphere in part covering the anterior, the other the posterior half of the. 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 Johannsen, O. A. (Oskar Augustus), 1870-1961; Butt, Ferdinand Hinckley, 1899-. New York, London, McGraw-Hill Book Company, inc.
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