^{page 419 note 2} Being an abstract of a paper read before the Eleventh Session of the Int. Geol. Congress, Stockholm, August, 1910.

^{page 420 note 1} See Trans. Tenth Int. Geol. Cong., Mexico, vol. i, pp. 437–82, 1906.Google Scholar

^{page 420 note 2} Bull. Geol. Soc. Am., vol. xix, pp. 347–69, 11, 1908Google Scholar. See also Davis, ibid., vol. xvii, p. 414, August, 1906.

^{page 420 note 3} Chamberlin, & Salisbury, , Geology, ii, p. 273.Google Scholar

^{page 420 note 4} Manual, 4th ed., p. 484.

^{page 420 note 5} Chamberlin & Salisbury, ii, p. 656.

^{page 421 note 1} Chamberlin & Salisbury, ii, p. 672.

^{page 421 note 2} Neumayr held that there were climatic zones in Jurassic and Cretaceous times; see Blanford, W. T., Address to Geol. Soe., 1890, p. 55.—ED. Geol. Mag.Google Scholar

^{page 422 note 1} There is an apparently zonal distribution of the very much mixed groups of Pliocene life which may have resulted from a similar di-tribution of temperatures, but exceptional conditions warn us against too implicit an acceptance of this conclusion.

^{page 422 note 2} See Trans. Tenth Int. Geol. Cong., Mexico, vol. i, pp. 349–405, 1906.Google Scholar

^{page 423 note 1} Professor David, , Trans. Tenth Int. Geol. Cong., Mexico, vol. i, pp. 481–2, 1906.Google Scholar