ti98 REPORT OF NATIONAL MUSEUM, 1904. 



Gilbert, Grove Kakl. Geologist. 



Born in Rochester, N. Y., May 6, 1843. Graduated from University of Rochester, 

 1862. Assistant in Ward Museum, Rochester, 1863-1868; geologist on Ohio survey, 

 1868-1870; on Wheeler survey, 1871-1874; Powell survey, 1875-1879; geologist on 

 U. S. Geological Survey since 1879. 

 Green, Jacob. Conchologist and paleontologist. 



Born in Philadelphia, Pa., July 26, 1790; died there February 1, 1841. Graduated 

 from University of Pennsylvania in 1806; professor of chemistry and natural history 

 in Princeton, 1818-1822; professor of chemistry in Jefferson Medical College, Phila- 

 delphia, until his death. Wrote on chemistry, paleontology, and botany. 



Biogr. Wm. H. Dall. Some Amer. Conehologists, Proc. Biolog. Soc. Waslin., IV., 188G-88, p. 104. 

 Grinnell, George Bird. 



Born in Brooklyn, N. Y., September 20, 1849. Graduated from Yale in 1870. 

 Assistant in osteology in Peabody Museum, Yale, 1874-1880. 

 Hager, Albert David. Geologist. 



Born in Chester, Vt., November 1, 1817; died in Chicago, 111., July 29, 1888. 

 In 1855-1857, assistant State naturalist of Vermont. In 1857-1861, assistant State 

 geologist. In 1862-1870, State geologist and curator of the State cabinet of natural 

 history. In 1870-1872, State geologist of Missouri. In 1877-1888, librarian Chicago 

 Historical Society. 

 Hague, Arnold. Geologist. 



Born in Boston, Mass., December 3, 1840. Graduated from Yale, 1863; studied at 

 universities of Gottingen and Heidelberg and Freiberg School of Mines, 1863-1867. 

 Geologist on Fortieth Parallel Survey, 1867-1877. Government geologist of Guate- 

 mala, 1877-78; engaged in examining mines in northern China, 1878-79; since 1879 

 a member of U. S. Geological Survey. 

 Hague, James Duncan. Mining engineer. 



Born in Boston, Mass., February 26, 1836. Educated at Harvard and Gottingen, 

 Germany, and Royal School of Mines, Freiberg, Saxony. Exploring in South Seas, 

 1859-1861; manager of copper mines at Lake Superior, 1863-1866; geologist on U. S. 

 Geological Survey fortieth parallel, 1867-1870. 

 Haldeman, Samuel Stehman. Naturalist. 



Born in Locust Grove, Pa., August 12, 1812; died in Chickies, Pa., September 10, 

 1880. Assistant to H. D. Rogers in geological survey of New Jersey in 1836; astron- 

 omer on survey of Pennsylvania, 1837-38. In 1851-1855, professor of natural history 

 in University of Pennsylvania; in 1855, became professor of natural history in Dela- 

 ware College, Dover, Del.; in 1869-1880, professor of comparative philology in 

 University of Pennsylvania. A very versatile man and author of some thirty works 

 on philology and one hundred and twenty on various natural science subjects. 



Biogr. J. P. Lesley. Nat. Acad. Sci., Biog. Mems., II, 1886. 



Wm. H. Dall. Some Amer. Conehologists, Proc. Biolog. Soc. Washn., IV. 1886-88, pp. 112-113. 



Hall, James. Paleontologist. 



Born in Hingham, Mass., September 12, 1811; died in Echo Hill, Bethlehem, 

 N. H., August 7, 1898. Studied under Eaton at Rensselaer Institute, Troy, where 

 he was subsequently assistant professor. Connected with geological survey of New 

 York — first as assistant to Emmons; took charge of fourth district; after 1843, had 

 charge of entire survey, in which he continued until his death, sometimes carrying 

 on work at his own expense. Besides the New York reports he contributed to Fos- 

 ter and Whitney's Report on the Lake Superior Region, the Mexican Boundary 

 Report, etc. At one time State geologist of Iowa, and afterwards of Wisconsin. In 

 conjunction with R. P. Whitfield lie published important memoirs on paleontology 

 of Ohio, Kentucky, and the Fortieth Parallel. 



Biogr. John .). Stevenson. Bull. Geol. Soc. of America, X, 1898, pp. 126-451. 



Geol. Mag., Dec. IV, V, 1898, p. 431. 



