. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. Fig. 82.—Isotoma. Cross section of thorax, (cod) Coelome. {ect) Ectoderm. Middle strand of inner layer. (71c) Nerve cord, {th) Thoracic appendage. (mds) The invagination of the embryo into the yolk by buckling of the thoracic section now has reached its maximum (Figs. 83, 84). The dorsal organ (do) now lies in the neck region of the embryo covered laterally by the body wall and in part by the serosa. The yo
. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. Fig. 82.—Isotoma. Cross section of thorax, (cod) Coelome. {ect) Ectoderm. Middle strand of inner layer. (71c) Nerve cord, {th) Thoracic appendage. (mds) The invagination of the embryo into the yolk by buckling of the thoracic section now has reached its maximum (Figs. 83, 84). The dorsal organ (do) now lies in the neck region of the embryo covered laterally by the body wall and in part by the serosa. The yolk is still completely. Fig. 83.—Isotoma. abd4 Embryo after blastokinesis. Antenna, (do) Dorsal organ. (abd) Abdominal appendage, (ant) (md) Mandible. enclosed by embryo and amnioserosa. In this stage the anterior and posterior parts of the body are nearly parallel, the appendages directed toward each other, only the antennae and the anlagen of the appendage. 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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Keywords: ., bookcentury1900, bookcollectionbiodiversity, bookleafnumber190
