. Die Stoffliche Grundlage der Vererbung. Heredity. 208 XIX. Kapitel schön g-efärbten Federn des gewöhnlichen Männchens hervorbringt (Fig-. 107 B). Es ist also wahrscheinlich, daß die Hoden des Sebright-Männchens ein inneres Sekret produzieren, das die volle Entwicklung bestimmter. 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 Morgan, Thomas Hunt, 1866-1945; Nachtsheim, Hans, 1890-1979. Berlin : G. Borntraeger

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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherberli, bookyear1921