. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 242 tinues caudad along the border of the telencephalon medium. This gray matter appears in the figures as a clear space between the two parts of the tractus pallii and surrounding the crossed tract. In the very narrow part of the telencephalon medium (Figs, 16—20) the gray matter disappears and the strand is continued as a bundle of fine non-medullated fibers. In Figs. 21 and 22 these fine fibers are shown going up with the tractus taeniae to the commissura Fig. 27. Reconstruction of the forebrain tracts dealt wit
. Anatomischer Anzeiger. Anatomy, Comparative; Anatomy, Comparative. 242 tinues caudad along the border of the telencephalon medium. This gray matter appears in the figures as a clear space between the two parts of the tractus pallii and surrounding the crossed tract. In the very narrow part of the telencephalon medium (Figs, 16—20) the gray matter disappears and the strand is continued as a bundle of fine non-medullated fibers. In Figs. 21 and 22 these fine fibers are shown going up with the tractus taeniae to the commissura Fig. 27. Reconstruction of the forebrain tracts dealt with in this paper, projected upon the median sagittal plane. Here they cross to go to the primordium hippocampi of the other side, thus constituting a true commissure. This corresponds to the posterior pallial commissure of selachians, amphibians and reptiles and probably a similar commissure is present in cyclostomes, ganoids and teleosts. Wherever it has been clearly recognized it is a commissure of the hippocampus or the primordium hippocampi. Kappers has very correctly pointed out that "Von den Holo- cephali läßt sich einerseits der Typus des Ganoiden- und Teleostier- Vorderhirns, andererseits derjenige des Selachier-Vorderhirnes leicht ; However, on account of his error in identifying the tractus taeniae, comparison of the forebrain of Chimaera as Kappers de- scribes it with that of other fishes is quite impossible. I shall hope to show at another time how the forebrain of Chimaera does afford great help in the attempt to discover the genetic relations between the different types of forebrain in 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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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherjenag, bookyear1910
