[482] Loc. cit. p. 298.
[483] St George Mivart, “On the Fins of Elasmobranchii,” Zoological Trans. Vol. X.
[484] Mivart used the term exoskeletal in an unusual and (as it appears to me) inconvenient manner. The term is usually applied to dermal skeletal structures; but the skeleton of the limbs, with which we are here concerned, is undoubtedly not of this nature.
[485] Loc. cit. p. 480.
[486] “Description of Ceratodus,” Phil. Trans. 1871.
[487] Loc. cit. p. 534.
[488] T. H. Huxley, “On Ceratodus Fosteri, with some Observations on the Classification of Fishes,” Proc. Zool. Soc. 1876.
[489] C. Gegenbaur, Untersuchungen z. vergleich. Anat. d. Wirbelthiere (Leipzig 1864-5): erstes Heft, “Carpus u. Tarsus;” zweites Heft, “Brustflosse d. Fische.” “Ueb. d. Skelet d. Gliedmaassen d. Wirbelthiere im Allgemeinen u. d. Hintergliedmaassen d. Selachier insbesondere,” Jenaische Zeitschrift, Vol. V. 1870. “Ueb. d. Archipterygium,” Jenaische Zeitschrift, Vol. VII. 1873. “Zur Morphologie d. Gliedmaassen d. Wirbelthiere,” Morphologisches Jahrbuch, Vol. II. 1876.
[490] M. v. Davidoff, “Beiträge z. vergleich. Anat. d. hinteren Gliedmaassen d. Fische, I.,” Morphol. Jahrbuch, Vol. V. 1879.
[491] “Zur Gliedmaassenfrage. An die Untersuchungen von Davidoff's angeknüpfte Bemerkungen,” Morphol. Jahrbuch, Vol. V. 1879.