The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . (From The Cambnt By permission ot Xatural Bislory. vul. vii., Fishes, Macmillan & Co., Ltd.) Fig. 15.—Metamorphosis of an Ascidian Cmodilied from Kowalevsky and others). A, Free-swimming tailed larva. B, The metamorphosis—larva attached. C, Tail and nervous system of larva degenerating. D, Further degeneration and metamorphosis of larva into E, the young fixed Ascidian. at. Atrial invagination. m, Mouth. ch, Notochord. mes, Mesenteron.^ hy, Hypoblast cells. nc, Neural canal. i. Intestine. nv, Neur
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . (From The Cambnt By permission ot Xatural Bislory. vul. vii., Fishes, Macmillan & Co., Ltd.) Fig. 15.—Metamorphosis of an Ascidian Cmodilied from Kowalevsky and others). A, Free-swimming tailed larva. B, The metamorphosis—larva attached. C, Tail and nervous system of larva degenerating. D, Further degeneration and metamorphosis of larva into E, the young fixed Ascidian. at. Atrial invagination. m, Mouth. ch, Notochord. mes, Mesenteron.^ hy, Hypoblast cells. nc, Neural canal. i. Intestine. nv, Neural vesicle with sense-organs. •-. Ascidiids
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
