appendix b: biographical sketches. 095 



Dawson, George Mercer. Geologist. 



Born in Pictou, Nova Scotia, August 1, 1849; died in Ottawa, Canada, March 2, 1901. 

 Graduated at the London School of Mines in 1872, and became geologist and botanist 

 on North American Boundary Surveys, 1873. Connected with Geological Survey of 

 Canada from 1875 to time of his death, succeeding Selwyn as director in 1895. 

 Biogr. Frank D. Adams. Bull. Geol. Soc. of America, XIII, Feb., 1903, pp. 497-509. 



Dawson, John William. Stratigraphies] geologist and paleobotanist. 



Born in Pictou, Nova Scotia, October 13, 1820; died in Montreal, Canada, Novem- 

 ber 19, 1899. Superintendent of education in Nova Scotia, 1850. Principal of McGill 

 University, 1855-1893. The author of many works bearing upon science and religion; 

 his most important books being Acadian Geology, the first edition of which appeared 

 in 1855; the Geological History of Plants; Air Breathers of the Coal Period; and the 

 Dawn of Life. One of the most eminent advocates of the theory of the organic ori- 

 gin of the Eozoon canadense. 



Biogr. Bull. Geol. Soc. Amer., XI, 1899, pp. 550-580. 

 H. M. Ami. Amer. Geol., XXVI, 1900, pp: 1-57. 

 Eng. & Min. Jour., LXVIII, No. 23, Dec. 2, 1899, p. 664. 

 Canadian Rec. of Sci., VIII, 1900, pp. 137-149. 



Deane, James. Physician. 



Born in Coleraine, Mass., February 24, 1801; died in Greenfield, Mass., June 8, 

 1858. Physician by profession, his claim to geological recognition being founded 

 upon his work on fossil footprints in the sandstones of the Connecticut Valley, to 

 the study of which, contemporaneously with Hitchcock, he devoted much attention. 

 Dewey, Chester. Naturalist. 



Born in Sheffield, Mass., October 25, 1784; died in Rochester, N. Y., December 

 5, 1807. Tutor in Williams College, 1808-1810. In 1810-1817, professor of mathe- 

 matics and natural philosophy, also professor and lecturer on chemistry and botany 

 in medical colleges of Pittstield, Mass., and Woodstock, Vt.,"for many years. In 

 1836-1850, principal of the Collegiate Institute of Rochester, N. Y. In 1850-1860, 

 professor of chemistry and natural philosophy, University of Rochester. 

 Ducatel, Julius Timoleon. Chemist. 



Born in Baltimore, Md., June 6, 1796; died there April 23, 1849. Professor of 

 natural philosophy in Mechanic's Institute of Baltimore, and of chemistry and 

 geology in faculty of arts and sciences in the University of Maryland. In 1830 suc- 

 ceeded Doctor Butts in the chair of chemistry in the medical department of the 

 university. In 1835, in conjunction with J. H. Alexander, made a preliminary 

 reconnaissance of Maryland; was appointed professor of chemistry, mineralogy, and 

 geology in St. John's College, Annapolis, but in 1838 or 1839 resigned both appoint- 

 ments to devote himself to the survey work. 



Obituary. Am. Jour. Sci., VIII, 1849, pp. 146-149. 

 Dutton, Clarence Edward. Major in United States Army and geologist. 



Born in Wallingford, Conn., May 15, 1841. Graduated from Yale in 1860. Entered 

 United States Army in 1862, and after civil war devoted leisure to study of geology. 

 In 1875-1891, detailed for duty with U. S. Geological Survey. 

 Dwight, William Buck. Geologist. 



Born in Constantinople, Turkey, May 22, 1833. Graduated from Yale Univer- 

 sity, 1857. In 1865-1867, engaged in mining explorations in Virginia and Missouri. 

 In 1867-1870, taught at West Point. In 1870-1878, professor of natural sciences at 

 State Normal School of Connecticut; since 1878, professor of natural history, Vassar 

 College. 

 Eaton, Amos. Geologist and educator. 



Born in Chatham, N. Y., May 17, 1776; died in Troy, N. Y., May 6, 1842. Grad- 

 uated from Williams College, 1799, and subsequently studied and practiced law. In 



