. The elements of experimental embryology. Embryology, Experimental; Embryology. ^13- Fig. 196 Compound organisms produced by grafting together half-embryos of two species of frogs in the early tail-bud stage. Above, anterior component Rana sylvatica posterior component Rana palustris. Left, shortly after operation. Right, later embryonic stage (note the differential growth of the anterior component). Below: left, a compound frog produced in the same way, but with Rana virescens as anterior component; 4^^ months after operation. Below: right, a normal Rana virescens, showing pigmentation and p
. The elements of experimental embryology. Embryology, Experimental; Embryology. ^13- Fig. 196 Compound organisms produced by grafting together half-embryos of two species of frogs in the early tail-bud stage. Above, anterior component Rana sylvatica posterior component Rana palustris. Left, shortly after operation. Right, later embryonic stage (note the differential growth of the anterior component). Below: left, a compound frog produced in the same way, but with Rana virescens as anterior component; 4^^ months after operation. Below: right, a normal Rana virescens, showing pigmentation and pattern of trunk and hind legs differing markedly from those of the palustris component of the compound organism (After Harrison, from Wells, Huxley and Wells, The Science of Life, London 1929.) not only retain some of their specific histological characteristics, but certain specific postural characteristics are retained as well, for the manner in which the limbs are held is typical of the ^ Harrison, 1898. ^ Spemann, 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 Huxley, Julian, 1887-1975; De Beer, Gavin, Sir, 1899-1972. New York [Hafner Pub. Co. ]
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Keywords: ., bookcentury1900, bookcollectionbiodiversi, booksubjectembryology
