. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. m— Yolk Vegetal Pole Fig. 120. A hemisected blastula of the frog. (From Huettner, Fundamentals of Compara- tive Embryology of the Vertebrates, copy- right 1941, by permission of The Macmillan Company, publishers.). 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 Walter, Herbert Eugene,

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. Biology of the vertebrates : a comparative study of man and his animal allies. Vertebrates; Vertebrates -- Anatomy; Anatomy, Comparative. m— Yolk Vegetal Pole Fig. 120. A hemisected blastula of the frog. (From Huettner, Fundamentals of Compara- tive Embryology of the Vertebrates, copy- right 1941, by permission of The Macmillan Company, publishers.). 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 Walter, Herbert Eugene, b. 1867; Sayles, Leonard Perkins, 1902-. New York : Macmillan Co.

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Keywords: ., bookcentury1900, booksubjectanatomycomparative, booksubjectverte