612 PROCEEDINGS OF THE PHILADELPHIA MEETING 



♦Frank L. Nason, A. B., West Haven, Conn. 



John F. Newsom, A. M., Stanford University, Cal. ; Associate Professor of 

 Metallurgy and Mining. December, 1899. 



William II. Niles, Ph. B., M. A., Boston, Mass. ; Professor, Emeritus, of 

 Geology, Massachusetts Institute of Technology ; Professor of Geology, 

 Wellesley College. August, 1891. 



William II. Norton, M. A., Mount Vernon, Iowa ; Professor of Geology in Cor- 

 nell College. December, 1895. 



Charles J. Norwood, Lexington, Ky. ; Professor of Mining, State College of 

 Kentucky. August, 1894. 



Cleophas C. O'Harra, Ph. D., Rapid City, S. Dak. ; Professor of Mineralogy 

 and Geology, South Dakota School of Mines. December, 1904. 



Ezequiel Ordonez, Esquela N. de Ingeneiros, City of Mexico, Mexico ; Geologist 

 del Institute Geologico de Mexico. August, 1896. 



♦Amos O. Osborn, W T aterville, Oneida county, N. Y. 



Henry F. Osborn, Sc. D., Columbia University, New York city ; Professor of 

 Zoology, Columbia University. August, 1894. 



Charles Palache, B. S., University Museum, Cambridge, Mass. ; Instructor 

 in Mineralogy, Harvard University. August, 1897. 



♦Horace B. Patton, Ph. D., Golden, Colo. ; Professor of Geology and Mineral- 

 ogy in Colorado School of Mines. 



Frederick B. Peck, Ph. D., Easton, Pa. ; Professor of Geology and Mineralogy, 

 Lafayette College. August, 1901. 



Samuel L. Penfield, Ph. B., M. A., New Haven, Conn. ; Professor of Mineral- 

 ogy, Sheffield Scientific School of Yale University. December, 1899. 



Richard A. F. Penrose. Jr., Ph. D., 1331 Spruce St., Philadelphia, Pa. May, 

 1889. 



George H. Perkins, Ph. D., Burlington, Vt. ; State Geologist. Professor of Geol- 

 ogy, University of Vermont. June, 1902. 



Joseph H. Perry, 27G Highland St., Worcester, Mass. December, 1888. 



Louis V. Pirsson, Ph. D., New Haven, Conn. ; Professor of Physical Geology, 

 Sheffield Scientific School of Yale University. August, 1894. 



* Julius Pohlman, M. D., University of Buffalo, Buffalo, N. Y. 



John Bonsall Porter, E. M., Ph. D., Montreal, Canada ; Professor of Mining, 

 McGill University. December, 1896. 



Joseph Hyde Pratt, Ph. D., Chapel Hill, N. C. ; Mineralogist, North Carolina 

 Geological Survey. December, 1898. 



♦Charles S. Prosser, M. S., Columbus, Ohio ; Professor of Geology in Ohio 

 State University. 



^Raphael Pumpelly, U. S. Geological Survey, Dublin, N. H. 



Albert Homer Perdue, B. A., Fayetteville, Ark. ; Professor of Geology, Univer- 

 sity of Arkansas. December, 1904. 



Frederick Leslie Ransome, Ph. D., Washington, D. C. ; Assistant Geologist, 

 U. S. Geological Survey. August, 1895. 



Harry Fielding Reid, Ph. D., Johns Hopkins University, Baltimore, Md. De- 

 cember, 1892. 



William North Rice, Ph. D., LL. D., Middletown, Conn. ; Professor of Geology 

 in Wesleyan University. August, 1890. 



Charles H. Richardson, Ph. D., 884 Elm St., Manchester, N. H. December, 

 1899. 



