. The anatomical record. Anatomy; Anatomy. The Anatomical Eecord. 87 prominence being about opposite the origin of the ductus perilym- phaticus. During the larval period in Gyrinophilus the columella has intimate connection with the squamosum, which in this form, as in Spelerpes, Plethodon, Hemidactylum and Desmognathus, is affected by a process of either bone or cartilage, conveniently termed by Gaupp the stylus columellse. In the adult Gyrinophilus, however, the columella by its stylus becomes more closely connected with the quadrate, as in. Fig. 4.—Ambystoma puuctaturu, transformation perio
. The anatomical record. Anatomy; Anatomy. The Anatomical Eecord. 87 prominence being about opposite the origin of the ductus perilym- phaticus. During the larval period in Gyrinophilus the columella has intimate connection with the squamosum, which in this form, as in Spelerpes, Plethodon, Hemidactylum and Desmognathus, is affected by a process of either bone or cartilage, conveniently termed by Gaupp the stylus columellse. In the adult Gyrinophilus, however, the columella by its stylus becomes more closely connected with the quadrate, as in. Fig. 4.—Ambystoma puuctaturu, transformation period; section farther cephalacl; ca., canalis anterior; u. utriculus; de., ductus endolympbaticus; sq., squamosum; cl., canalis lateralis; s., sacculus; vj., vena jugiilaris; Ic, ligamentum squamoso-columellare; cavum perilymphaticum: quad- ratum; oral cavity. Ambystoma, although the association is not as intimate as in that form. We are not as yet prepared to state definitely the difference between the larval and adult G}Tinophilus respecting the quadrate and squa- mosal connections, or what portion of the sound-transmitting apparatus (operculum) of the adult is formed by the 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 Bardeen, Charles Russell, 1871-1935, ed; Boyden, Edward A. (Edward Allen), 1886-1976; Bremer, John Lewis, 1874- ed; Hardesty, Irving, b. 1866, ed; American Association of Anatomists; American Society of Zoologists; Wistar Institute of Anatomy and Biology. [New York, etc. ] A. R. Liss [etc. ]
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