^{page 511 note 1} “The Mollusca of the Chalk Rock,” part i: Q.J.G.S., vol. lii, 1896, pp. 68–98Google Scholar; part ii: Q.J.G.S., vol. liii, 1897, pp. 377–404.Google Scholar

^{page 511 note 2} “The Cretaceous Rocks of Britain. Vol. III. The Upper Chalk of England, 1904”: Mem. Geol. Surv.Google Scholar

^{page 512 note 1} Geol. Mag., 1909, pp. 66–9.Google Scholar

^{page 512 note 2} “On a new species of Desmoceras from the Chalk Rock of Buckinghamshire”: Geol. Mag., 1911, pp. 398–400. Figs. 1, 2. This species has now been made the genotype of the Genus Pseudopuzosia Spath. See GEOL. MAG., 1926, p. 80.Google Scholar

^{page 512 note 3} “On New Ammonites from the English Chalk”: Geol. Mag., vol. 1xiii, 1926, pp. 77–83.Google Scholar “The Senonian Ammonite Fauna of Pondoland”: Trans. Roy. Soc. S. Afr., vol. x, pt. iii, 1922, p. 128.Google Scholar “Ammonoidea of the Gault”: Mon. Pal. Soc., pt. i, 1923, pp. 35–9.Google Scholar

^{page 513 note 1} “On the Chalk Section at the Waterworks Quarry, Marlow”: Geol. Mag., 1909, pp. 123–5.Google Scholar

^{page 513 note 2} “The Zones of the Chalk in the Thames Valley between Goring and Shiplake”: Proc. Geol. Assoc., vol. xx, 1907–1908, pp. 390–419.Google Scholar

^{page 514 note 1} For use of term Pachydiscus see Spath, “Ammonites from the Gingin Chalk”: Journ. Roy. Soc. West Austral., vol. xii, 1926, p. 55.Google Scholar

^{page 514 note 2} Loc. cit., p. 66.

^{page 514 note 3} Loc. cit., p. 80.

^{page 515 note 1} The use of the symbols IS and IL in a recent paper in the GEOLOGICAL MAGAZINE (1927, p. 76) for the first lateral saddle and first lateral lobe respectively, is confusing, since these symbols are almost universally accepted as denoting internal saddle and internal lobe, unfortunately neglected by many recent writers. (See Zittel-Eastman, , Text-book of Palœontology, fig. 1146, p. 620, 2nd ed., 1913.)Google Scholar

^{page 515 note 2} Pal. Française Ter. Crét., i, 1842, pl. xci.Google Scholar

^{page 515 note 3} “Cret. Deposits Pacific Coast”: Proc. Calif. Acad. Sci., 3rd series (Geol.), vol. ii, No. 1, 1902, p. 125, pl. i, figs. 11–16.Google Scholar

^{page 516 note 1} “Notes on Yorkshire Ammonites”: The Naturalist, 1926, p. 326.Google Scholar

^{page 516 note 2} The type-fig. in White (1883, “Contrib. to Invert. Pal. No. 2”: 12th Ann. Rep. U.S. Geol. and Geogr. Surv. Territ. [1878], p. 35, pl. xv, fig. 1a) is incomplete and the smaller paratype is obviously incorrectly drawn.Google Scholar