87 



1815. 



Robert Patterson, 



Benjamin Smith Barton, M.D. 



Jonathan Wilhams. 



1845 to 1848, inclusive. 



Nathaniel Chapman, M.D., 

 Alexander Dallas Bache, 

 Franklin Bache. 



1816 to 1818, inclusive. 



Robert Patterson, 

 William Tilg-hman, 

 Peter S. Duponceau. 



1819 to 1824, inclusive. 



Robert Patterson, 

 Peter S. Duponceau, 

 Zaccheus Collins. 



1825 to 1827, inclusive. 



Peter S. Duponceau, 



Zaccheus Collins, 



Robert M. Patterson, M.D. 



1849 to 1852, inclusive. 



Franklin Bache, 

 Alexander Dallas Bache, 

 John K. Kane. 



1853, 1854. 



Alexander Dallas Bache, 



John K. Kane, 



Robley Dung-lison, M.D. 



1855, 1856. 



John K. Kane, 



Robley Dunglison, M.D., 



John F. Frazer. 



1828 to 1830, inclusive. 



Zaccheus Collins, 



Robert M. Patterson, M.D., 



Nathaniel Chapman, M.D. 



1857. 



John K. Kane, 

 John F. Frazer, 

 John C. Cresson. 



1831, 



Zaccheus Collins, 

 Joseph Hopkinson, 

 Nathaniel Chapman, M.D. 



1832 to 1835, inclusive. 



Nathaniel Chapman, M.D., 

 Joseph Hopkinson, 

 George Ord. 



1836 to 1842, inclusive. 



Nathaniel Chapman, M.D., 

 Joseph Hopkinson, 

 Robert M. Patterson, M.D. 



1858, 



Robley Dung-lison, M.D., 

 John C. Cresson, 

 Isaac Lea. 



1859 to 1868, inclusive, 



John C. Cresson, 



Isaac Lea, 



George Sharswood. 



1869 to 1876, inclusive, 



John C. Cresson, 

 Isaac Lea, 

 Frederick Fraley. 



1843, 1844. 



Nathaniel Chapman, M.D., 

 Robert M. Patterson, M.D., 

 Franklin Bache. 



1877 to 1879, inclusive. 



Frederick Fraley, 



Eli K. Price, 



E. Otis Kendall, 



