[522]

Traquair, Geol. Mag. (3), v. 1888, p. 81; Trans. Geol. Soc. Glasgow, xi. 1897, p. 41.

[523]

For references see Zittel's Text-Book of Palaeontology (Eng. trans. ed. by C. R. Eastman), London and New York, ii. 1902, pp. 22-23.

[524]

See also restoration of Pleuracanthus gaudryi from the Coal-Measures of Commentry, Allier, France, by C. Brongniart; Zittel, op. cit. p. 23.

[525]

A. Fritsch, Fauna der Gaskohle in Böhmen, ii. Prague, 1889; Kner, SB. Akad. Wiss. Wien Math.-Naturw. Cl. lvii. Pt. i. 1868, p. 290; Traquair, Geol. Mag. (3), v. 1888, p. 511, and (4) i. 1894, p. 254.

[526]

Günther, Study of Fishes, Edin. 1880; British Mus. Cat. Fishes, viii. 1870; Müller and Henle, Syst. Beschr. d. Plagiost. Berlin, 1841. Hasse, Natürl. Syst. d. Elasmobr. Jena, 1879. Goode and Bean, Oceanic Ichthyology, Washington, 1895. Jordan and Evermann, Fishes of North and Middle America, Washington, 1896, Pt. i. Smith Woodward, Vertebrate Palaeontology, Cambridge, 1898; id. Brit. Mus. Cat. Foss. Fishes, i. 1889, ii. 1891; Zittel, op. cit.