^{page 171 note 1} Quart. Journ. Geol. Soc. 1845, i. p. 326.Google Scholar

^{page 171 note 2} Mem. Lit. Phil. Soc. Manchester, 1852, x. p. 193.Google Scholar

^{page 171 note 3} p. 196, t. 2, f. 3.

^{page 171 note 4} p. 196, t. 2, f. 4.

^{page 171 note 5} p. 196, t. 2, f. 2.

^{page 171 note 6} This must not be confounded with Serpula carbonaria, Morris; Spirorbis carbonarius, Murch.; or Serpulites carbonarius, M'Coy.

^{page 171 note 7} Verstein. Steinkohl. v. Wettin u. Löbejün. 1853, heft 8, p. 29 (III).

^{page 171 note 8} Verstein. Steinkohlenformation v. Sachsen, 1855, p. 3.

^{page 172 note 1} Dyas, 1862, heft 2, p. 133.

^{page 172 note 2} Mem. Geol. Surrey Gt. Brit. Iron Ores, 1861, pt. 3, t. 2, f. 23.

^{page 172 note 3} Quart. Journ. Geol. Soc. 1854, x. p. 39.Google Scholar

^{page 172 note 4} Mem. Geol. Survey Scot. No. 32, 1861, p. 145.

^{page 172 note 5} Lethæa Rossica, 1860, i. p. 670.Google Scholar

^{page 172 note 6} American Journ. Science, 1861, xxxii. p. 195.Google Scholar

^{page 172 note 7} Ibid. 1862, xxxiii. p. 208.

^{page 172 note 8} Naturhistorischen Verein d. Preuss. Rheinl. Verhandl. Dorpat, 1864, xxi. p. 43.Google Scholar

^{page 173 note 1} Illinois Geol. Survey Rept. 1866, ii. p. 462.Google Scholar

^{page 173 note 2} Siluria, 1867, 4th edit. p. 302.

^{page 173 note 3} Trans. Manchester Geol. Soc. 1866, vi. p. 42.Google Scholar

^{page 173 note 4} Bull. l'Acad. Bruxelles, R., 1867, 2me ser. xxiii.Google Scholar

^{page 173 note 5} Foss. Flora Steinkohlenf. Westphalens, lief. 1, p. 4.

^{page 174 note 1} Acadian Geology, 2nd ed. 1868, p. 205.

^{page 174 note 2} vol. i. p. 144.

^{page 174 note 3} vol. iii. p. 562.

^{page 174 note 4} Trans. Geol. Soc. Edinb. 1871, ii. pt. 1, p. 82.Google Scholar

^{page 174 note 5} Foss. Plants Dev. and Sil. Formations of Canada, 1871, pp. 43, 44.

^{page 174 note 6} Fauna Saræpontana Foss. 1877, heft 2, p. 4.

^{page 174 note 7} Quart. Journ. Geol. Soc. 1878, xxxiv. p. 9.Google Scholar