178 



1818. Mariano Barcena, Mexico. 



1819. E. H. Von Baumhauer, Harlem, Holland. Died Jan. 18, 1885, set 64. 



1820. George Stuart, Philadelphia. 



1821. William V. McKean, Philadelphia. 



1822. Charles W. Shields, Princeton, N. J. 



1823. Franklin B. Gowen, Philadelphia. Died Dec. 14, 1889, eet. 58. 

 ' 1824. Henry Phillips, Jr., Philadelphia. 



1825. Henry Turner Eddy, Cincinnati, O. 



1826. Cyrus Fog-g- Brackett, M.D., Princeton, N. J. 



1827. James Morg-an Hart, Cincinnati, O. 



1828. Henry Armitt Brown, Philadelphia. Died Aug. 24, 1878, set. 33. 



1829. Charles William Siemens, London, England. Died Nov. 20, 1883, aet. 61. 



1830. M. Russell Thayer, Philadelphia. Resigned Nov. 23, 1883. 



1831. Craig 1 Biddle, Philadelphia. 



1832. Thomas Hewson Bache, M.D., Philadelphia. 



1833. John Hug-h McQuillen, M.D., Philadelphia. Died March 3, 1879, set 53. 



1834. Georg-e Strawbridg-e, M.D., Philadelphia. 



1835. William Goodell, M.D., Philadelphia. 



1836. Thomas Frederick Crane, Ithaca, N. Y. 



Elected April 20, 1877. 



1837. Henry Draper, M.D., New York city. Died Nov. 20, 1882, aet. 45. 



1838. J. T. Rothrock, M.D., Philadelphia. 



1839. James Doug-las, Phcenixville, Pa. 



1840. John James Stephenson, New York city, N. Y. 



1841. Georg-e R. Morehouse, M.D., Philadelphia. 



1842. T. B. Reed, M.D., Philadelphia. 



Elected July 20, 1877. 



1843. H. C. Humphreys, -Philadelphia. 



1844. J. J. Sylvester, Baltimore, Md. (Present address, Oxford, England.) 



1845. John Ericsson, New York city, pied March 7, 1889, aet. 83. 



Elected October 19, 1877. 



1846. William B. Taylor, Washington. 



Elected January 18, 1878. 



1847. Ira Franklin Mansfield, Cannelton, Pa. 



1848. Ira C. White, Morgantown, W. Va. 



1849. F - A - Randall, M.D., Warren, Pa. 



1850. John Price Wetherill, Philadelphia. Died Sept. 17, 1888, aet. 61. 



1851. Elisha Gray, Chicago, 111. 



1852. Simon Newcomb, Washington, D.C. 



1853. Asaph Hall, Washington, D. C. 



1854. Theodore G. Wormley, M.D., Philadelphia. 



1855. Christian Henry Frederick Peters, Clinton, N. Y. 



1856. James F. Watson, Ann Arbor, Mich. Died Nov. 23, 1880, aet. 41. 



