152 A CENTURY OF SCIENCE 



80 Chamberlin, T. C., Preliminary paper on the terminal moraine of the 

 second glacial epoch, U. S. Geol. Survey, Third Ann. Kept, 291-402, 1883. 



81 Wright, G. F., Unity of the glacial epoch, this Journal, 44, 351-373, 

 1892. 



Upham, Warren, The diversity of the glacial drift along its boundary, 

 ibid., 47, 358-365, 1894. 



Wright, G. F., Theory of an interglacial submergence in England, ibid., 

 43, 1-8, 1892. 



Chamberlin, T. C., Diversity of the glacial period, ibid., 45, 171-200, 

 1893. 



Dana, J. D., On New England and the upper Mississippi basin in the 

 glacial period, ibid., 46, 327-330, 1893. 



Wright, G. F., Continuity of the glacial period, ibid., 47, 161-187, 1894. 



Chamberlin, T. C. and Leverett, F., Further studies of the drainage 

 features of the upper Ohio basin, ibid., 47, 247-282, 1894. 



62 Pumpelly, Raphael, Geological researches in China, Japan, and Mom 

 golia, Smithsonian Contributions, No. 202, 1866. 



^Kingsmill, T. W., The probable origin of " loess' 7 in North China 

 and eastern Asia, Quart. Jour. Geol. Soc., 27, No. 108, 1871. 



64 Pumpelly, Raphael, The relation of secular rock-disintegration to loess, 

 glacial drift and rock basins, this Journal, 17, 135, 1879. 



65 Binney, A., Some geologic features at Natchez on the Mississippi River, 

 Proc. Boston Soc. Nat. Hist., 2, 126-130, 1848. 



66 Hilgard, E. W., The loess of Mississippi Valley, and the eolian hypoth- 

 esis, this Journal, 18, 106-112, 1879. 



67 Chamberlin, T. C., Supplementary hypothesis respecting the origin of 

 the loess of the Mississippi Valley, Jour. Geol., 5, 795-802, 1897. 



68 Ramsay, A. C., On the glacial origin of certain lakes in Switzerland, 

 the Black Forest, Great Britain, Sweden, North America, and elsewhere, 

 Quart. Jour. Geol. Soc., 1862; this Journal, 35, 324-345, 1863. Preliminary 

 statements of this theory appeared in 1859 and 1860. 



89 Whittlesey, Charles, Smithsonian Contributions, No. 197, 1864. 



70 LeConte, Joseph, On some of the ancient glaciers of the Sierras, this 

 Journal, 5, 325-342, 1873, 10, 126-139, 1875. 



71 King, Clarence, II. S. Geol. Expl. 40th Par., 1, 459-529, 1878. 

 "Davis, W. M., Glacial erosion, Proc. Boston Soc. Nat. Hist, 22, 58. 



1882. 



73 Sabine, Sir Edward, Address of the president of the Royal Society, 

 this Journal, 37, 108, 1864. 



