343Tennyson,40Terby,88Tethys,89Thales,357Thebes,271Themis,88-90Theogirus,279Theon,245Theseus,257Thome,101Thucydides,331Tibertinus,281Tibullus,282Tides,40Timocharis,340Tin,179Titan,85,88,89Titanium,179Toucan,308Transits of Mercury,14,15"of Venus,337,338,339Triangulum,271"Australis,306Trio,220Triptolemus,257Triton,93Trouvelot,21,22,78,211Tumlirz,46Turrinus,220Tycho Brahé,10,30,99,145,179,298Typhon,263,272UUlugh Beigh,238,276,278Underwood,85Uranus,chap. x.;spectrum of,91,92Urda,71VValz72“Vanishing star,”59Varvadjah,236Vega,148,156,244Vencontre,220Venus,chap. iii.;apparent motion of,28;supposed satellite of,28,29;transit of,337-339Veronica, S,145Vesta,70Virgil,17,218,242,262,309Virgo,260Vogel,180Vogt,122Volans,304Voltaire,15Von Hahn,24Vulpecula,300WWallace, Dr.,212,357Wallis,80Ward,88Wargentin,178Watson,339Webb,24,25,77,190,286Weber,183Weinhand,122Wendell,71,103,109Werchojansk,33White spots on Jupiter’s satellites,81White spots on Venus,21Whitmell,50,86Wiggins,333Wilczyniski,195Williams, Stanley,22,277,302Wilsing,155Wilson, H. C.,137,139Wilson, Dr. W. E.,3,148Winnecke,26,188Winterhalter,351Wolf, Dr. Max,71,72,191,211, Note p. 537Wrangel,240YYoung, Prof.,4,7,9Young, Miss Anne S.,79Yunis, Ibn,30ZZach,331Zenophon,127Zethas,257Zöllner,27