734 THE ICE AGE IN NORTH AMERICA. 



tion of the Loess," " Proceedings of the Iowa Academy of Science, " 

 vol. v, 46-51; "TheGeology of Beltrami County Minnesota," "Final 

 Report of the Minnesota Geological and Natural History Survey," 

 vol. iv, pp. 131-155; "The Geology of Hubbard County and North- 

 western Portion of Cass County [Minnesota]," ibid., vol. iv, pp. 

 82-97; "The Geology of Marshall, Roseau, and Kittson Counties 

 [Minnesota]," ibid., vol. iv, pp. 117-130; "The Geology of Norman 

 and Polk Counties [Minnesota]," ibid., vol. iv, pp. 98-116; "The Mo- 

 raines of Southeastern South Dakota and their attendant Deposits," 

 "Bulletin of the United States Geological Survey," No. 158; "New 

 Light on the Drift in South Dakota," "American Geologist," vol. 

 xxv, pp. 96-105; "New Light on the Drift in South Dakota," "Pro- 

 ceedings of the Iowa Academy of Science," vol. vi, pp. 122-130; "Re- 

 vision of the Moraines of Minnesota, " "American Journal of Science," 

 December, 1898. 



J. H. Todd: "Some Observations on the Pre-Glacial Drainage of 

 Wayne and Adjacent Counties [Ohio]," "Special Papers of the Ohio 

 Academy of Science," no. iii, pp. 47-67. 



E. N. Transeau: "On the Geographic Distribution and Ecological 

 Relations of the Bog Plant Societies of Northern North America," 

 "Botanical Gazette," vol. xxxvi, pp. 401-420. 



H. L. True: "The Cause of the Glacial Period" (Cincinnati, Robert 

 Clarke Co., 1902). 



H. W. Turner: "Glacial Potholes in California," "American 

 Journal of Science," December, 1892. 



J. B. Tyrrell: "Pleistocene of the Winnipeg Basin," "American 

 Geologist," July, 1891 ; " Post-Tertiary Deposits of Manitoba and the 

 Adjoining Territories of Northwestern Canada," "Bulletin of the 

 Geological Society of America," vol. i, pp. 395-410; "Notes on the 

 Pleistocene of the Northwest Territories of Canada, Northwest and 

 West of Hudson Bay," "Geological Magazine," September, 1894; 

 "Genesis of Lake Agassiz," "Journal of Geology," vol. v, pp, 78-81; 

 "Glacial Phenomena in the Canadian Yukon District," "Bulletin of 

 the Geological Society of America," vol. x, pp. 193-198; "The Glacia- 

 tion of North-Central Canada," "Report of the British Association for 

 the Advancement of Science," 1897, pp. 662-663; "Glaciation of 

 North Central Canada," "Journal of Geology," vol. vi, 147-160; "Re- 

 port on the Doobaunt, Kazan, and Ferguson Rivers and the North- 

 west Coast of Hudson Bay, and on Two Overland Routes from Hud- 

 son Bay to Lake Winnipweg," "Canada Geological Survey," n.s. vol. 

 ix, Report F. 



J. A. Vdden: "Geology of Louisa County," "Iowa Geological 

 Survey," vol. xi, pp. 55-126; "Geology of Pottawatamie County," 

 ibid., vol. xi, pp. 199-277; "Loess as a Land Deposit," "Bulletin 

 of the Geological Society of America," vol. ix, pp. 6-9; "Loess with 

 Horizontal Shearing Planes," "Journal of Geology," vol. x, pp. 





