INDEX. 



245 



Sola, J. C., 112. 



Solar cluster, 221, 222. 



Solar system, motion of, 26, 27, 



167, 168. 



South, Sir J., 198. 

 Spectroscopic binaries, 203, 204, 



205. 



Spencer, H., 218. 

 Spica (a Virginis), 204. 

 Sparer, F. W. G., 45, 46, 54, 59. 

 Star-catalogues, 159, 160, 161, 



162, 



Star-clusters, 30, 31, 32, 206, 210. 

 Star-drift, 164. 

 Star-gauging, 36, 40, 41, 224. 

 Stars, distance of, 150-158. 

 Stars, distribution of, 35, 39, 40, 



198-214. 

 Stars, double, 28, 29, 30, 197- 



206. 



Stars, gaseous, 171, 174. 

 Stars, proper motion of, 162, 163, 



164, 165. 



Stars, radial motion of, 165, 166. 

 Stars, temporary, 156, 182, 188- 



196. 



Stars, triple and multiple, 206. 

 Stars, variable, 177-188. 

 Stellar spectra, 169-176, 187, 189, 



190, 191, 193, 194. 

 Stellar universe, 35-42, 214, 215- 



226. 



Stereo-comparator, 100, 101. 

 Stokes, Sir G., 50. 

 Stone, E. J., 157, 160. 

 Stroobant, P., 88. 

 Struve, F. G. W., 3, 37, 38, 40, 



42, 128, 151, 153, 200, 214, 



215, 216, 218. 

 Struve, H., 201. 

 Struve, L., 27, 163, 167. 

 Struve, 0. W., 27, 110, 115, 120, 



153, 156, 163, 200, 201. 

 Stumpe, O., 167. 

 Sun, 15, 16, 17, 40, 43-64, 65, 80, 



81, 105, 125, 128, 170, 222, 



228, 229, 230, 237. 

 Swift, L., 81. 

 Swift's comet, 136. 



Tacchini, P., 55, 86, 87. 



Taurus, 217, 221. 



Tempel, E., 210. 



Tennyson, 96. 



Tidal friction, 79, 87, 233, 234, 



235, 236. 



Tisserand, F. F., 146. 

 Todd, D. P., 122. 

 Trans-Neptunian planet, 121, 122. 

 Trouvelot, E., 86, 87. 

 Tschermak, 148. 

 Tulse Hill Observatory, 171. 

 Turner, H. H., 194, 224. 

 Twining, A. C., 139. 



Upsala Observatory, 59. 

 Uranometria Argentina, 160. 

 Uranus, 11, 20, 22, 23, 97, 113, 



114, 115, 118, 121, 135, 141, 



230. 



Ursa Major, 162, 164. 

 Ursse Majoris (5), 182. 

 Ursse Majoris (|), 199. 



Venus, 18, 84-88, 97, 235, 236. 



Venus, transits of, 61, 62, 87. 



Vega (a Lyr^e), 151, 165, 170, 172, 

 173. 



Very, F. W., 77. 



Vesta, 19, 99, 101, 102. 



Vogel, H. C., 84, 88, 95, 102, 

 106, 114, 131, 148, 166, 173, 

 174, 175, 183, 184, 185, 190, 

 191, 193, 195, 204, 209, 232, 

 233, 237. 



Vulcan, 81. 



Washington Observatory, 96, 223. 

 Watson, J. C., 81, 100. 

 Webb, T. W., 72, 73, 104. 

 Weinek, L., 75. 

 Weiss, E., 142. 

 Well's comet, 134. 

 Whewell, W., 318. 

 Williams, A. S., 110, 193. 

 Wilson, A., 16. 

 Winlock, J., 177. 

 Winnecke, F. A. T., 131. 

 Witt, K. G., 101. 



