732 THE ICE AGE IN NORTH AMERICA. 



America," vol. v, pp. 339-356; "Arctic Sea Ice as a Geological 

 Agent," "American Journal of Science," March, 1897; "Difference 

 in the Climate of the Greenland and American Sides of Davis and 

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 242; "Evidence of Glaciation in Labrador and Baffin Land," "Ameri- 

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 Erosion in Alaska," Popular Science Monthly," February, 1907; 

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 "Journal of Geology," vol. xiv, pp. 12-27; "Glaciation of Mount 

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 vol. xi, pp. 433-448; and L. Martin: "Glaciers and Glaciation of 

 Yakutat Bay, Alaska," "Bulletin of the American Geographical 

 Society," vol. xxxviii, pp. 145-167; "Gorges and Waterfalls of Cen- 

 tral New York," ibid., vol. xxxvii, pp. 193-212; "Hanging Valleys in 

 the Finger Lake Region of Central New York," "American Geolo- 

 gist," vol. xxxiii, pp. 271-290; "Margin of the Cornell Glacier," 

 vol. xx, pp. 139-156; "Moraines of the Seneca and Cayuga Lake Val- 

 leys," "Bulletin of the Geological Society of America," vol. xvi, pp. 

 215-228; "Physical Geography of New York State," (The Macmillan 

 Co., N. Y., 1902); "Physical Geography of New York State,"pt. 8; 

 •' 'The Great Lakes and Niagara, " " Bulletin of the American Geograph- 

 ical Society," vol. xxxi, pp. 217-235, 315-343; "Position of Hubbard 

 Glacier Front in 1792 and 1794," ibid., vol. xxxix, pp. 129-136; "Post- 

 Glacial and Inter-Glacial (?) Changes of Level at Cape Ann, Massa- 

 chusetts," "Bulletin of the Harvard College Museum of Comparative 

 Zoology," vol. 42, pp. 181-191; "Recent Advance of Glaciers in the 

 Yakutat Bay Region," "Bulletin of the Geological Society of Amer- 

 ica," vol. xviii, pp. 257-286; and L. Martin: "Recent Changes of Level 

 in Alaska," "Geographical Journal," July, 1906; "Some Instancesof 

 Moderate Glacial Erosion," "Journal of Geology," vol. xiii, pp. 160- 

 173; "Valley Glaciers of the Upper Nugsuak Peninsula, Greenland," 

 "American Geologist," vol. xix, pp. 262-267; "Watkins Glen and 

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 " Popular Science Monthly," May, 1906; andB. S. Butler: "Yakutat 

 Bay Region, Alaska," "Professional Paper of the United States 

 Geological Survey," 64. 



F. B. Taylor: "The Highest Old Shore Line on Mackinac Island," 

 "American Journal of Science," March, 1892; "Changes of Level in 

 the Region of the Great Lakes in Recent Geological Time," ibid:, 

 January, 1895; "Niagara and the Great Lakes," ibid., April, 1895; "A 

 Reconnaissance of the Abandoned Shore Lines of Green Bay," 

 "American Geologist," May, 1894; "A Reconnaissance of the Aban- 

 doned Shore Lines of the South Coast of Lake Superior," ibid., June, 



