. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. 342 EMBRYOLOGY OF INSECTS AND MYRIAPODS in of the middle strip reduces the width of the embryo, except at the head and tail ends. As development progresses, and coincident with the. C D Fig. 299.—Diacrisia. A, amnion beginning to form. B, section through abdomen of 34-hour embryo. C, through anterior part of abdomen of 35-hour embryo. D, through neck region of 42-hour embryo, (am) Amnion, {ect) Ectoderm, {g
. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. 342 EMBRYOLOGY OF INSECTS AND MYRIAPODS in of the middle strip reduces the width of the embryo, except at the head and tail ends. As development progresses, and coincident with the. C D Fig. 299.—Diacrisia. A, amnion beginning to form. B, section through abdomen of 34-hour embryo. C, through anterior part of abdomen of 35-hour embryo. D, through neck region of 42-hour embryo, (am) Amnion, {ect) Ectoderm, {gh) Germ band. (iZ) Inner layer, {ser) Serosa. beginning of segmentation of the ectoderm (Fig. 297C), the inner layer also assumes a more segmental character. Its cells at the intervals between the segments do not multiply so rapidly as in the segments. 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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