^{page 501 note 2} History of Rutherglen and East Kilbride, 1793.

^{page 501 note 3} Petrefactions of Derbyshire, 1809, Petrefacta Derbiensia.

^{page 501 note 4} History of British Animals, 1828.

^{page 501 note 5} Ann. Mag. Nat. Hist. 1874.

^{page 501 note 6} Petrefacta Germaniæ.

^{page 502 note 1} Geology of Russia.

^{page 502 note 2} Geology of Yorkshire, 1836.

^{page 502 note 3} Quarterly Journ. Geol. Soc. 1879.

^{page 502 note 4} Ibid. p. 278.

^{page 502 note 5} Catalogue of British Fossils.

^{page 502 note 6} Petrefac. Derbiensia.

^{page 502 note 7} Geology of Yorkshire.

^{page 502 note 8} Syn. Carb. Foss. of Ireland.

^{page 502 note 9} Catalogue of British Fossils.

^{page 503 note 1} Niagara Group: Hall, Palæontol. of New Tork, vol. ii. ; Nat. Hist. New York, part 4.Google Scholar

^{page 503 note 2} Geol. Mag., 1875, pp. 19–20, Pl. 6, Fig. 14.

^{page 503 note 3} Geol. of Yorkshire.

^{page 503 note 4} Excepting Lepralia.

^{page 503 note 5} Palæozoic Foss. of Cornwall, Devon, etc., 1841.

^{page 503 note 6} April 3, 1874 ; Ann. Mag. of Nat. Hist., May, 1875.

^{page 503 note 7} Catalogue of British Fossils, 1854.

^{page 504 note 1} Messrs. Young, Ann. Mag. Nat. Hist., May, 1874.

^{page 504 note 2} Ibid. 1875.

^{page 504 note 3} Geol. Mag., April, 1876.

^{page 505 note 1} See paper on Vincularidæ, mihi. Read before the Geol. Soc. June 23, 1880.

^{page 505 note 2} Synopsis of the Carb. Foss. of Ireland, 1844.

^{page 505 note 3} Upper Devonian, Croyde, Pilton, Devon, Phill., Palæozoic Foss.

^{page 505 note 4} See paper on Diastoporidæ, mihi; read before the Geol. Soc. May, 1880.

^{page 506 note 1} Proceedings Nat. Hist. Soc. of Glasgow, April, 1878. (The (?) is Messrs. Young's.)

^{page 506 note 2} September, 1873.

^{page 506 note 3} Palæontology of E., Nebraska, Washington, 1872.Google Scholar

^{page 506 note 4} Transactions of St Louis, Acad., 1858, vol. i.Google Scholar

^{page 506 note 5} Sheet 23, Scotch Geol. Survey.

^{page 506 note 6} Ibid. Explanation of Sheet 23.

^{page 506 note 7} See foot-note 1.

^{page 507 note 1} Geol. Mag. 1873 and 1876. Expl. of Sheet 23, Scotch Survey, p. 101.

^{page 507 note 2} Explanation of Sheet 23, Appendix, p. 102.

^{page 507 note 3} Ann. and Mag. Nat. Hist., May, 1875, p. 335, pl. ix. bis.

^{page 507 note 4} Marine Polyzoa, pt. iii. Cyclostomata, p. 16.Google Scholar

^{page 508 note 1} Syn. Carb. Foss. Ireland.

^{page 508 note 2} Retepora pluma, Geol. of Yorkshire.

^{page 508 note 3} Brit. Palæozoic Foss.

^{page 508 note 4} Proc. Nat. Hist. Soc. of Glasgow, 1878. Paper read 1877.

^{page 508 note 5} “Notes on Carb. Polyzoa,” Annals and Mag. Nat. Hist. vol. xx. 1877.Google Scholar

^{page 508 note 6} Provisional Genus of Polyzoa, ibid. vol. xv. 1875.

^{page 508 note 7} Proceedings of Nat. Hist. Soc. Glas. 1877.

^{page 509 note 1} Ibid. p. 167.

^{page 510 note 1} Annals and Mag. Nat. Hist., Feb. 1874, p. 81, figs. f and i.

^{page 510 note 2} New Devonian Foss., Geol. Mag., Vol. I. 1874, p. 2, Plate I.Google Scholar

^{page 510 note 3} “Carboniferous Fenestellidæ,” Quart. Journ. Geol. Soc., May, 1879.

^{page 510 note 4} The Carb. Limestone and Cefn-y-fedw Sandstone, London, David Bogne, 1880.

^{page 510 note 5} Phil. Transae., 1869.; Journ. Geol. Soc., 1873 ; Journ. Geol. Soc., Dec. 1874.

^{page 510 note 6} Journ. Geol. Soc. Dec. 1874.

^{page 510 note 7} Science Gossip, 1879.

^{page 510 note 8} Proc. of Manchester Geol. Soc., 1879.

^{page 510 note 9} Newspaper Report, Oct. 9, 1879.

^{page 511 note 1} Brit. Marine Polyzoa, 1880, p. 500; vol. i. p. lxx; vol. ii. figs. 8 to 10.