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Show 7 5 8 ON SELACHIAN FISHES. [June 19, The following deal with the vertebral column:- 20. Hasse, Das natiirliche System der Elasmobrachier (1879- 1885). 21. Mayer, Mittheil. Zool. Stat. Neapel, vi. 1885, p. 217. 22. Gadow and E. C. Abbott, Phil. Trans. Roy. Soc. clxxxvi. 1895, p. 163. 23. Ridewood, Journ. Linn. Soc. (Zool.) xxvii. 1899, p. 46. Gadow gives a bibliography which may be consulted for further references. The literature of the paired fins up to 1892 is summarised by Wiedersheim (31), and from then to 1901 by Boulenger (33). The following may be mentioned here :- 24. Thacher, Trans. Connect. Ac. iii. 1877, p. 281. 25. Thacher, op. cit. iv. 1877, p. 233. 26. Balfour, A Monograph of the Development of Elasmo-branch Fishes (1877). 27. Mivart, Trans. Zool. Soc. x. 1879, p. 458. 28. Balfour, A Treatise on Comparative Embryology (1880-81). 29. Dohrn, Mittheil. Zool. Stat. Neapel, v. 1884, p. 161. 30. Mayer, Mittheil. Zool. Stat. Neapel, vi. 1885, p. 217. 31. Wiedersheim, Das Gliedmassenskelet der Wirbelthiere (1892). 32. Kerr, Proc. Cambridge Phil. Soc. x. 1900, p. 227. 33. Boulenger, Les Poissons du Bassin du Congo (1901). Important memoirs dealing with the mixopterygia are :- 34. Jungersen, The Danish Ingolf Expedition, II. 2 (1899). 35. Huber, Zeitschr. f. wiss. Zool. Leipzig, lxx. 1901, p. 592. Smith Woodward's Catalogue (7) and the bibliography at the end of his Text-book (10), as well as the references in Zittel's book (43), should be consulted for the literature on fossil Sharks. In addition to Jaekel's works already quoted (8 & 11) I may cite :- 36. Traquair, Geol. Mag. 1888, p. 82. (Cladodus.) 37. Fritscli, Faun. Gaskohle Permform. Bohm. ii. p. 99 (1889), & iii. p. 3 (1890). 38. Jaekel, Sitzungsb. Ges. naturf. Fr. Berlin, 1890, p. 119. (Finspines.) 39. Dean, Journ. Morphol. ix. 1894, p. 102. (Cladoselachus.) 40. Cope, Journ. Ac. Philad. ix. 1895, p. 427. (Symmorium.) 41. Campbell Brown, Palaeontogr. xlvi. 1900, p. 149. (Hybodus.) 42. Hay, Trans. Am. Phil. Soc. (2) xx. 1902, p. 63. (Chronological distribution.) 43. Zittel, Text-book of Palaeontology (Eastman's translation), II. (1902). P. Z. S. 1906, pp. 179-462, were published on August 23rd, 1906. |