. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 251 Aufsätze. Nachdruck verboten. Further Contribution to the Morphology of the Vertebrate Head. By Julia B. Platt. (Anatom. Laboratory, Freiburg i/Br.) With 15 Figures. These studies are practically a continuation of work presented last October for publication in the Journal of Morphology 0. Through the kindness of Prof. Wiedeksheim, I have been enabled to continue my investigations in his laboratory, and the result of further study on the early development of Acanthias is here summarily sub- mitted. I gratefully acknowledge
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 251 Aufsätze. Nachdruck verboten. Further Contribution to the Morphology of the Vertebrate Head. By Julia B. Platt. (Anatom. Laboratory, Freiburg i/Br.) With 15 Figures. These studies are practically a continuation of work presented last October for publication in the Journal of Morphology 0. Through the kindness of Prof. Wiedeksheim, I have been enabled to continue my investigations in his laboratory, and the result of further study on the early development of Acanthias is here summarily sub- mitted. I gratefully acknowledge my indebtedness to Prof. Wiedeks- heim for the privileges he has accorded me. I would also acknowledge the kind assistance of Dr. Keibel. 1. TheAlimentaryCanal. At the time when the head of Acanthias begins to be folded off from the surrounding blastoderm, and while the neural plate is still quite flat, the alimentary canal is found to extend to the anterior limit of the embryo, lying here in close contact with the ectoderm. Cross sections show the canal to extend even further forward than the neural plate. Figs. 1 and 2 are sections from the same embryo. In fig. 1 the lumen of the alimentary canal first comes into section. Fig. 2 is five sections posterior to fig. 1, and passes through the Fig. 1. Fig. 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 Anatomische Gesellschaft. Jena : G. Fischer
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