XXVIII PHILOSOPHICAL SOCIETY OF WASHINGTON. 
1882. Pope, Dr. B. P. (Benjamin Franklin), U. S. A., 
Whipple Barracks, Arizona Territory. 
1874. Powell, Maj. J. W. (John Wesley), 
Geological Survey. 910 M street. 
1880. Prentiss, Dr. D. W. (Daniel Webster), 
1101 Fourteenth street. 
1888. Preston, E. D. (Erasmus Darwin), 
Coast and Geodetic Survey. 
1879. Pritchett, Prof. H. S. (Henry Smith). 
Observatory, Washington University, St. Louis, Mo. 
1882. Rathbun, Richard, 
U. S. Fish Commission. 1622 Massachusetts avenue. 
1884. Ray, Capt. P. H. (Patrick Henry), U. S. A., 
1822 Chicago street, Omaha, Nebraska. 
1888. Renshawe, Jno. H. (John Henry), 
Geological Survey. 
1884. Ricksecker, Eugene, 
P. 0. Box 289, Seattle, Washington. 
1878. Riley, Prof. C. Y. (Charles Valentine), 
Department of Agriculture. Sunbury, Wyoming ave. 
1879. Ritter, W. F. McK. (William Francis McKnight), 
P. 0. Box 450, Milton, Pennsylvania. 
1884. Robinson, Thomas, 
U. S. E. Office, Montgomery, Alabama. Vienna, Va. 
1872. Rogers, Joseph A. (Joseph Addison), 
Naval Observatory. 
1882. Russell, Israel C. (Israel Cook), 
Geological Survey. 1616 Riggs place. 
1883. Russell, Thomas, 
Weather Bureau. 1149 Twenty-first street. 
1883. Salmon, Dr. D. E. (Daniel Elmer), 
Department of Agriculture. 1716 Thirteenth street. 
1883. Sampson, Capt. W. T. (William Thomas), U. S. N., 
Navy Department. 
1871. Saville, J. H. (James Hamilton), 
1419 F street. 825 Vermont avenue. 
1871. Schott, C. A. (Charles Anthony), 
Coast and Geodetic Survey. 212 First street SE. 
