. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. proci A B C Fig. 120.—Plathemis. Sagittal sections. A-C, successive stages, (.am) Amnion. (br) Brain, (do) Secondary dorsal organ, (nc) Nerve cord, {neurp) Neuropile. (prod) Proctodaeum. (ser) Serosa, (siom) Stomodaeum. {y) Yolk. forms the secondary dorsal organ, an ovoid hollow mass of cells apparently attached to the end of the stomodaeum (Fig. l20B,do). The stomodaeum which probably forms at the time seg

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. Embryology of insects and myriapods; the developmental history of insects, centipedes, and millepedes from egg desposition [!] to hatching. Embryology -- Insects; Embryology -- Myriapoda. proci A B C Fig. 120.—Plathemis. Sagittal sections. A-C, successive stages, (.am) Amnion. (br) Brain, (do) Secondary dorsal organ, (nc) Nerve cord, {neurp) Neuropile. (prod) Proctodaeum. (ser) Serosa, (siom) Stomodaeum. {y) Yolk. forms the secondary dorsal organ, an ovoid hollow mass of cells apparently attached to the end of the stomodaeum (Fig. l20B,do). The stomodaeum which probably forms at the time segmentation takes place in the invaginated embryo is well developed when the embryo. 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, bookcollectionameri, bookcollectionbiodiversity