196 Society for Experimental Biology and Medicine. 



Oertel, Horst Royal Victoria Hospital, Montreal. 



Olmstead, Miriam P Presbyterian Hospital, New York City. 



Ophuls, William Leland Stanford University. 



Opie, Eugene L Washington University, St. Louis. 



Oppenheimer, B. S Columbia University. 



Osborne, Thomas B Connecticut Agricultural Experiment Station, 



New Haven, Conn. 



Osterhout, W. J 60 Buckingham Street, Cambridge, Mass. 



Ottenberg, R Mount Sinai Hospital. 



Pappenheimer, Alvin M Columbia University. 



Park, E. A Johns Hopkins University. 



Park, William H New York University. 



Parker, George H Harvard University. 



Peabody, Francis W Peter Bent Brigham Hospital, Boston, Mass. 



Pearce, Louise Rockefeller Institute for Medical Research. 



Pearce, Richard M University of Pennsylvania. 



Pearl, Raymond Maine Agricultural Experiment Station, Orono, Maine. 



Peirce, George 38 Godfrey Road, Montclair, N. J. 



Pemberton, Ralph Presbyterian Hospital, Philadelphia, Pa. 



Petersen, W. F Vanderbilt University. 



Pepper, O. H. Perry University of Pennsylvania. 



Pfaff, F Harvard University. 



Pfeiffer, J. A. F Government Hospital for Insane, Washington, D. C. 



Pike, F. H Columbia University. 



Plotz, Harry Mt. Sinai Hospital. 



Porter, William T Harvard University. 



Pratt, Joseph H Harvard University. 



Prince, A. L Yale University. 



Ravenel, Mazyck P University of Missouri. 



Reichert, Edward T University of Pennsylvania. 



Rettger, Leo F Yale University. 



Richards, Alfred N University of Pennsylvania. 



Riddle, O Station for Experimental Evolution, Cold Spring Harbor, N. Y. 



Ringer, A. 1 141 W. 78th Street, N. Y. City. 



Robertson, T. Brailsford University of California. 



Robinson, G. Canby Washington University, St. Louis. 



Rosenau, Milton J Harvard University. 



Rosenbloom, Jacob Western Pennsylvania Hospital, Pittsburgh, Pa. 



Rothschild, M. A Mt. Sinai Hospital, N. Y. City. 



Rous, Peyton Rockefeller Institute for Medical Research. 



Salant, William U. S. Department of Agriculture, Washington, D. C. 



Schlutz, F. W University of Minnesota. 



Schmidt, Carl L. A University of California. 



Schultz, W. H West Virginia University. 



Schwyzer, Fritz Kastanienbaum, near Luzern, Switzerland. 



Scott, E. L Columbia University. 



Scott, G. G College of the City of New York. 



Senior, H. D New York University. 



