. Fig. 29. Die Schleimkanäle des Schädels von Polypterus. (Nach G. Baur und R. H. Traquair, aus R. L. Moodie.) N. = , Nasenöffnung. Orb. = Orbita. Fr. = Frontale. Pa. = Parietale. Sk. = Seitenkanal. (Vgl. Fig. 26.) 1 Roy L. Moodie, The Lateral Line System in Extinct Amphibia. The Journal of Morphology, Vol. XIX, 1908, p. 511.

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