vi CONTRIBUTORS TO THE FIFTEENTH VOLUME THOMAS Ilrrcm BWKDBRRO, JESPEE. BWZDBNBORG, EMA5UEL. CHARLES L. HOOEBOOM, M. D. Sonir*. ,n ca. BCLTHURIC ACID. THOMAS HENRY HUXLEY, LL. D., Royal School of Mines, London. SPECIES. Lieut. HEXRY JACKSON, U. 8. A., Office of Chief ,.il oilicor, Washington, D. C. SIGNAL SKBVICB. ROSSITER JOHNSON. TEXNTSON, ALFRED, THACKERAY, WILLIAM MAKEPEACE, and other articles in literary biography. Prof. C. A. JOY, Ph. D., Columbia College, New York. SILICON, and other chemical articles. JOSEPH C. G. KENNEDY, LL. D., Washington, D. C. SUCBBICK, WILLIAM CBAWFOKD. Prof. S. KNEELAND, M. D., Mass. Inst. of Technology, Boston. SILKWORM, .-; ... SWALLOW, TORTOISB, and other articles In zoology. Prof. S. P. LANGLEY, Allegheny Observatory, Allegheny, Pa. Srx i In part). CHARLES LINDSEY, Toronto, Canada. TORONTO. Prof. JOSEPH LOVERINO, Harvard University. TELEGRAPH (in part). C.ipt. S. B. LT-CE, U. S. N., U. S. Navy Yard, Boston. SIGNALS, NAVAL. Prof. ALFRED M. MAYER, Stevens Inst. of Tech- nology, Hoboken, N. J. Bon - DTK Rev. ANDREW B. MORSE, Danbury, Conn. SIAM (in part).
- NKIIN N'OBLE.
i-.'Jtox, CHARLES HADDON, PFNDAY SCHOOLS, THANKSGIVING DAT, TRACT AND PUBLICATION SOCIETIES, and articles in biography and geography. RD O'REILLY, D. D. f RHOODS, Roman Catholic, 8YLLABC8, TRAPrtSTB, and other articles In ecclesiastical history. Prof. S. F. PECKHAM, University of Minnesota, Minneapolis, Minn. TALLOW. TAR (la part). EDWARD T. PETERS, Bureau of Statistics, Washington, D. C. TRADES UNION. I'K'TTOR, A. M., London. BPRTTRCM ANALYSIS, -: M. partX TELMT,P ,| n part), JAJIT (In part). TBAKHIT CIRCLK (in part). and other astronomical articles. Prof. ROSSITER W. RAYMOND, Ph. D., Editor of the "Engineering and Mining Journal." SILVER. TIN. PHILIP RIPLEY. STOCK EXCHANGE. SWIMMING. TICHBORNE TRIAL. RICHARD E. ROBERTS, " Y Drych" Office, Uti- ca, N. Y. ' STANLEY, HENRY M. THOMAS T. SABINE, M. D. STONE. SURGERY (in part). EPES SARGENT, Boston, Mass. SPIRITUALISM. Prof. A. J. SCHEM. SISTERHOODS, Protestant, SWITZERLAND (in part), THEOLOGY (in part), and various articles in geography and history. J. G. SHEA, LL. D. SHOSHONES, Sioux, TECUMSEH, and other articles on American Indians. Prof. J. A. SPENCER, D. D., College of the City of New York. TEMPLE, FREDERICK. THOMSON, WILLIAM. TREGELLES, SAMUEL PRIDEAUX. TRENCH, RICHARD CHENEVIX. E. C. STEDMAN. STODDARD, RICHARD HEXBY. TAYLOR, BAYARD. Prof. FRANK H. STOKER, College of Agricul- tural Chemistry, Harvard University. SYMBOLS, CHEMICAL (in part). HOMER D. L. SWEET, Syracuse, N. Y. SYRACUSE, N. Y. BAYARD TAYLOR. STEDMAN, EDMUND CLARENCE. Prof. GEORGE THURBER. SORGHUM, STRAWBEKRY. SUNDEW. TEA, TOBACCO, TORREY, JOHN, and other botanical articles. Prof. ROBERT II. THURSTON, Stevens Inst. of Technology, Hoboken, N. J. STEAM. STEAM BOILER. STEAM CARRIAGE. STEAM ENGINE. - STEAM NAVIGATION. STRENGTH OF MATERIALS. Prof. G. A. F. VAN RHYN, Ph. D. SIAM, LANGUAGE AND LITERATURE OF, THEBES, TlSCHENDORF. LOBEGOTT, and other archaeological, oriental, and philological articles. C. S. WEYMAN. SIDNEY, ALGERNON. SIDNEY, Sir Pmur. SPAIN, WINES OF. Prof. JUNIUS B. WHEELER, U. S. M. A., West Point. SlKCK. Prof. W. D. WHITNEY, LL. D., Yale College, New Haven, Conn. SYRIAC LANGUAGE AND LITERATURE. Prof. E. L. YOTTMANS. SPENCER, HERBERT.
