GEOLOGICAL SOCIETY OF PENNSYLVANIA. 



IX 



Houghton, Douglass, M.D., Detroit, 



Michigan 

 Howard, Joseph 

 Humboldt, Alexander, Prussia 

 Irvine, Thomas, Fayette co. Pa. 

 Jackson, William, Chester co. Pa. 

 Johnson, P. C, Virginia 

 James, Edwin, M.D., Albany, N. Y. 

 Jamieson, Prof., Edinburgh, Scotland 

 Jourdan, C, M.D., Lyons, France 

 Keim, George D. B., Reading, Pa. 

 Kinsey, Charles, Bergen, N. J. 

 Koehler, H., Vermont 

 Lammot, Daniel, Delaware co. Pa. 

 Lashelles, John, Union co. Pa. 

 Maximilian, Prince de Wied, New- 



wied, sur Rhine 

 Mantell, Gideon, Brighton, England 

 Mora, Col. Synorra, Mexico 

 Mason, Calvin, York co. Pa. 

 Mendez, J., Mexico 

 Moral, J. R. del, Mexico 

 Murchison, R. J., London . 

 M'Giffon, Thomas, Washington co. 



Pa. 



Norris, John, Tioga co. Pa. 

 Nuttall, Thomas, Cambridge, Mass. 



Peck, ■ , Vermont 



Pentland, J. B., Paris 

 Piddington, H., Calcutta 



Petitvalle, J. B., Col., Charleston, S, C. 

 Phillips, Hardeman, Phillipsburg, Pa. 

 Powell, William B., Baltimore 

 Rhea, Matthew, Tennessee 

 Riddle, J. S., Crawford co. Pa. 

 Roberts, Jonathan, Montgomery co. 

 Pa. 



Rose, Robert H., M.D., Susquehanna 

 CO. Pa. 



Rodrigue, Aristides, M.D., Harris- 

 burg, Pa. 



Rojas, J. Ramines de, Mexico 



Saynisch, Lewis, M.D., Tioga, Pa. 



Sheppard, C. U., New Haven, Conn. 



Sedgwick, Adam, LL.D., Cambridge, 

 England 



Silliman, B., New Haven, Conn. 



Thayer, Sylvanus, New York 



Thomas, Joseph, Pottsville, Pa. 



Torrey, Jason, Wayne co. Pa. 



Troost, Gerard, M.D., Nashville, Tenn. 



Tejada, Pruisda, Mexico 



Trimble, James, M.D., Huntingdon 

 CO. Pa. 



Vaga, D. Lasso de la, Mexico 

 Watson, William, Bedford co. Pa. 

 Williams, James, Fredericksburg, Va. 

 Wurdeman, F, W., M.D., Charleston, 

 S. C. 



HONORARY MEMBERS. 



Andres Del Rio Charles Pickering, M.D. 



James Dickson Timothy A, Conrad. 



