^{page 193 note 1} The Geology of Eskdale and Rosedale, Mem. Geol. Surv., 1885.Google Scholar

^{page 197 note 1} The Geology of the Country around Northallerton and Thirsk, Mem. Geol. Surv., 1886.Google ScholarThe Jurassic Rocks of Britain, vol. i, Yorkshire, Mem. Geol. Surv., 1892.Google Scholar

^{page 198 note 1} Named by Dr. Stubblefield.Google Scholar

^{page 201 note 1} The occurrence of fluorite at various levels in Permian limestones seems to be fairly widespread. It is recorded in dolomites in the Hartlepool district (Trechmann, C. T., 1941, pp. 319 and 321), and was got by the writer at several levels in the Permian of a deep bore near Whitby and in the “Lower Limestones” of Durham (Fowler, A., 1943).Google Scholar

^{page 203 note 1} Chatwin, Mr. C. P. would name these Schizodus sp. and Liebea sp.Google Scholar

^{page 205 note 1} In the Market Weighton bore, as in the Cleveland Hills bore anhydrite also occurs separately as crystals.Google Scholar

^{page 205 note 2} As it also does of the suggestion that it may be formed by a thickening of the anhydrite got in bores 3 and 4 south of West Hartlepool (Sherlock, R. L., 1926, p. 24).Google Scholar

^{page 205 note 3} The Geology of Eskdale and Rosedale, Mem. Geol. Surv., 1885, p. 55.Google Scholar

^{page 206 note 1} These are maxima and include all anhydrite, gypsum, etc., from below or within the highest recorded limestone.