Silurian.--Etheridge, R. jnr. Rec. Geol. Surv. New South Wales, vol. II. pt. 1, 1890, pp. 15-21 (Silurian and Devonian). Idem, ibid., vol. II. pt. 4, 1892, pp. 165-174 (Silurian and Devonian). Idem, in Pal. and Geol. Queensland, 1892. Idem, Rec. Austr. Mus., vol. I., No. 10, 1891, pp. 201-205 (_Rhizophyllum_). Id., ibid., vol. III. No. 2, 1897, pp. 30-33 (_Columnaria_). Id., Prog. Rep. Geol. Surv. Vict., No. 11, 1899, pp. 30-36. Idem, Mem. Geol. Surv. New South Wales, No. 13, pt. I., 1904 (_Halysites_). Id., ibid., No. 13, pt. 2, 1907 (_Tryplasma_). De Koninck, L. G. ibid., Pal. No. 6, 1898. Shearsby, A. J. Geol. Mag., Dec. V., vol. III. 1906, pp. 547-552. Chapman, F. Rec. Geol. Surv. Vict., vol. II. pt. 1, 1907, pp. 67-80. Devonian.--Etheridge, R. jnr. and Foord, A. H. Ann. Mag. Nat. Hist., ser. V., vol. XIV., 1884, pp. 175-179 (_Alveolites_ and _Amplexopora_ = _Litophyllum_). Etheridge, R. jnr., in Geol. and Pal. Queensland, 1892. Idem, Proc. Linn. Soc. New South Wales, vol. IX. 1895, pp. 518-539. Id., Rec. Geol. Surv. New South Wales, vol. VI. pt. 3, 1899, pp. 152-182 (Tamworth District). Id., Rec. Austr. Mus., vol. IV. No. 7, 1902, pp. 253-260. De Koninck, L. G. Mem. Geol. Surv. New South Wales, Pal. No. 6, 1898. Chapman, F. Rec. Geol. Surv. Vict., vol. III, pt. 2, 1912, pp. 215-222. Carbopermian.--Etheridge, R. jnr. Mem. Geol. Surv. New South Wales, Pal. No. 5, 1891. Idem, in Geol. and Pal. Queensland, 1892. Id., Bull. Geol. Surv., W. Austr., No. 10, 1903, pp. 8-10. Cainozoic.--Duncan, P. M. Quart. Journ. Geol. Soc., vol. XXVI. 1870, pp. 284-318; vol. XXXI. 1875, pp. 673-678; vol. XXXII. 1876, pp. 341-351. Woods, T. Proc. Linn. Soc. New South Wales, vol. XI., 1878, pp. 183-195; ibid., vol. XXX. 1879, pp. 57-61. Idem, Trans. Roy. Soc. S. Austr., vol. I., 1878, pp. 104-119. Dennant, J. Trans. R. Soc. S. Austr., vols. XXIII. (1899) to XXVIII. (1904). STROMATOPOROIDS. Hinde, G. J. Geol. Mag., Dec. III. vol. VII, 1890, p. 193. GRAPTOLITES. McCoy, F. Prod. Pal. Vict., Decades I. (1874): II. (1875): V. (1877). Hall, T. S. Proc. Roy. Soc. Vict., vol. IV. p. I. 1892, pp. 7, 8 (_Dictyonema_). Idem, Geol. Mag. Dec. IV. vol. VI. 1899, pp. 438-451; Id., Rep. Austr. Assoc. Adv. Sci., Brisbane, 1909, pp. 318-320. Id., Rec. Geol. Surv. Vict., vol. I. pt. 4, 1906, pp. 266-278. Id., ibid., vol. III. pt. 2, 1912, pp. 188-211. Idem, Rec. Geol. Surv. New South Wales, vol. VII. part 1, 1910, pp. 16, 17. Ibid., pp. 49-59. CHAPTER VIII. FOSSIL SEA-LILIES, STARFISHES, BRITTLE-STARS AND SEA-URCHINS. =Divisions of Echinodermata.--=