Note 72 — J. E. MARR, M.A., F.R.S. (continued 3)

For descriptions of the Olenus fauna consult the following:—Wales, Belt, T., Geol. Mag. Dec. I. vol. V. p. 5, and Salter, J. W., Decades Geol. Survey, Decade II. Pl. IX. and Decade XI. Pl. VIII.; Scandinavia, Angelin, N. P., Palæontologia Scandinavica, and Brögger, W. C., Die Silurischen Etagen 2 und 3 im Kristianiagebiet und auf Eker; Canada, Matthew, G. F., "Illustrations of the Fauna of the St John Group, No. VI.," Trans. Roy. Soc. Canada, 1891.