^{page 241 note 1} Dec. II. Vol. I p. 300, PI. XIII. Figs. 1 and 2.Google Scholar

^{page 241 note 2} p. 304.

^{page 241 note 3} l.c. PI. XIII. Fig. 1.

^{page 241 note 4} Figures Char. Brit. Foss., vol. i. pl. 39, fig. 3.Google Scholar

^{page 242 note 1} Annals Nat. Hist. 1876, vol. xviii. p. 424.Google Scholar

^{page 242 note 2} Brit. Pal. Foss. p. 478.

^{page 242 note 3} Mon. Foss. Carb. Bleiberg en Carenthie, 1873, p. 94.

^{page 242 note 4} p. 189.

^{page 242 note 5} ibid. p. 190.

^{page 242 note 6} PI. xix. fig. 13.

^{page 244 note 1} Geol. Mag. Vol. VIII. Pl. IX. Fig. 3.Google Scholar

^{page 244 note 2} Iron Ores Great Britain, 1861, pl. 2, f. 3.

^{page 244 note 3} Huxley and Etheridge's Cat. Foss. Mus. Piact. Geology, 1865, p. 160.

^{page 245 note 1} Iron Ores, Great Britain, pp. 230–1.

^{page 245 note 2} Acadian Geology, 2nd ed., p. 204.

^{page 245 note 3} “Freshwater Shells of the Coal-formation of the Urals,” Palceontographica, vol. x. t. 3, f. 2.Google Scholar

^{page 245 note 4} Geol. Mag., Vol. VII. Pl. IX., Fig. 18.Google Scholar

^{page 245 note 5} Trans. R. Soc. Edinb., vol. xiii. p. 246.Google Scholar

^{page 246 note 1} Geol. York., 1856, vol. ii. p. 208, t. 5, f. 2.Google Scholar

^{page 246 note 2} Synop. Carb. Foss. Ireland, 1844, p. 49, t. 8. f. 4.

^{page 246 note 3} Geol. Report, Lord., 1843, p. 433, t. 34, f. 18.

^{page 246 note 4} l.c. p. 49, t. 10, f. 3a and b.

^{page 247 note 1} Twelfth Annual Report of the Regents of the Univ. New York, 1859, p. 16.Google Scholar

^{page 247 note 2} Illinois Geol. Report, 1868, vol. iii. p. 385.Google Scholar

^{page 248 note 1} Handbucb, 1852, t. 35, f. 11.

^{page 248 note 2} Lethœa Rossica, 1860, i. p. 1062.

^{page 248 note 3} Dyas, 1861, p. 57, t. 12, f. 11–13.

^{page 248 note 4} Illinois Geol. Report, Palæontology, vol. iii. 1866, p. 284, t. 19, f. 8.Google Scholar

^{page 249 note 1} loc. cit. suprà.

^{page 249 note 2} op. cit. suprà, p. 505, t. 44, f. 4.

^{page 250 note 1} Brit. Pal. Foss., p. 569.

^{page 250 note 2} Annals Phil. 1815, vol. v. p. 202, t. 31, f. 3.Google Scholar

^{page 250 note 3} Brown, l.c., p. 391.

^{page 250 note 4} Sheet 41, Scotland.