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1873 The Glacial and Champlain eras in New England. Ibid., vol. 5, 



pp. 198-211. 



Results of the Earth's contraction from cooling, including a discus- 

 sion of the origin of Mountains, and the nature of the earth's 

 interior. Ibid., pp. 423-443 ; vol. 6, pp. 6-14 ; pp. 104-115 ; pp. 

 161-172. 



On the rocks of the Helderberg era, in the valley of the Connecticut. 

 Ibid., vol. 6, pp. 339-352. 



1874 MANUAL OF GEOLOGY. 2d edition, 911 pp., 8. New York. 

 TEXT-BOOK OF GEOLOGY. 2d edition, 358 pp., 8. New York 



and Chicago. 

 Changes in subdivisions of Geological time. Amer. Jour. Sci., vol. 



8, pp. 213-216. 

 On Serpentine pseudomorphs, and other kinds from the Tilly Foster 



Iron mine, Putnam Co., New York. Ibid., pp. 371-381 ; pp. 



447-459- 



1875 THE GEOLOGICAL STORY BRIEFLY TOLD, an introduction to Geology 



for the general reader and for beginners in the science. New 

 York, 12, 264 pp. 

 Notice of the chemical and geological essays of T. Sterry-Hunt. 



Amer. Jour. Set., (3), vol. 9, pp. 102-109. 

 On Dr. Koch's evidence with regard to the contemporaneity of Man 



and the Mastodon in Missouri. Ibid., pp. 335-346. 



I 875-* 876 Southern New England during the melting of the great Glacier. 

 Ibid., vol. 10, pp. 168-183 ; pp. 280-282 ; pp. 353-35? I PP- 409- 

 438 ; pp. 497-508 ; vol. 12, pp. 125-128. 



1876 " The Chloritic formation " on the western border of the New Haven 



Region. Ibid., vol. II, pp. 119-122. 

 On the damming of streams by drift ice during the melting of the 



great Glacier. Ibid., pp. 178-180. 



Plants as registers of geological age. Ibid., pp. 407-409. 

 Note on Erosion. Ibid., vol. 12, pp. 192-193. 

 On Cephalization. Ibid., pp. 245-251. 



1877 An account of the discoveries in Vermont Geology of the Rev. Au- 



gustus Wing. Ibid., vol. 13, pp. 332-347 ; pp. 405-419 ; vol. 14, 



PP. 36-37. 

 The relations of the geology of Vermont to that of Berkshire. Ibid. , 



vol. 14, pp. 37-48 ; pp. 132-140 ; pp. 202-207 ; PP- 257-264. 

 The Helderberg formation of Bernardston, Mass., and Vernon, 



Vermont. Ibid., pp. 379-387. 



1878 MANUAL OF MINERALOGY AND LITHOLOGY. 3d edition, 474 pp., 



12. New Haven. 



On the driftless interior of North America. Amer. Jour. Sci., vol. 

 15, pp. 250-255. 



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