XXVI PHILOSOPHICAL SOCIETY OP WASHINGTON. 
1880. Smith, Mr. Edwin, 
Coast and Geodetic Survey. 2024 Hillyer Place. 
1887. Smyth, Mr. H. L. (Henry Lloyd), 
Geological Survey. 
1886. Snell, Mr. Merwin M. (Merwin-Marie), 
National Museum. 732 Otli street. 
1887. Spencer, Dr. J. W. (Joseph William), 
1012 17tli street. 
1872. Spofford, Mr. A. R. (Ainsworth Rand), 
Library of Congress. 1621 Massachusetts ave. 
1884. Stearns, Mr. R. E. C. (Robert Edwards Carter), 
Geol. Survey; Smithsonian Institution. 1213 12th St. 
1874. Stone, Prof. Ormond {Absent), 
Leander McCormick Observatory, Univ. of Virginia. 
1887. Symons, Capt. T. W. (Thomas William), U. S. A., 
District Building. 1727 De Sales street. 
1881. Taylor, Mr. F. W. (Frederick William) {Absent), 
Smithsonian Institution. 
1871. Taylor, Mr. William B. (William Bower) {Founder), 
Smithsonian Institution. 306 C street. 
1875. Thompson, Prof A. H. (Almon Harris), 
Geological Survey. 
1884. Thompson, Mr. Gilbert, 
Geological Survey. 1448 Q street. 
1878. Todd, Prof David P. (David Peck) {Absent), 
Amherst College Observatory, Amherst, Mass. 
1873. Toner, Dr. J. M. (Joseph Meredith), 
615 Louisiana ave. 
1886. Trenholm, Hon. W. L. (William Lee), 
Comptroller of the Currenc 3 n 1815 M street. 
1882. True, Mr. F. W. (Frederick William), 
National Museum. 1101 14th street. 
1882. Upton, Mr. Wm. W. (William Wirt), 
1416 F street. 1746 M street. 
1880. Upton, Prof Winslow {Absent), 
Brown University, Providence, E. I. 
1883. Walcott, Mr. C. D. (Charles Doolittle), 
Geological Survey ; National Museum. 
1881. Waldo, Prof Frank (Absent), 
Forest ave., Cincinnati, Ohio, 
1872. Walker, Mr. F. A. (Francis Amasa) {Absent), 
Massachusetts Institute of Technology, Boston, Mass. 
1883. Walling, Mr. H. F. (Henry Francis) {Absent), 
Mass. Trigonometrical Survey, Cambridge, Mass. 
1876. Ward, Mr. Lester F. (Lester Frank), 
Geological Surve 3 ^ 
1464 Eliode Island ave. 
