55, 256;
pseudo-satellite, 256;
effects upon, of solar tidal friction, 320

Very, temperature of sun, 220;
lunar heat, 270

Vesta, discovery, 75, 76;
diameter, 287;
spectrum, 288

Vicaire, solar temperature, 218

Vico, comet discovered by, 97;
rotation
of Venus, 251;
Cytherean mountain, 253

Violle, solar temperature, 218, 219;
solar constant, 225

Vogel, H. C., solar rotation, 202;
solar atmospheric absorption, 222, 224;
spectrum of Mercury, 245;
of Venus, 255;
of Vesta, 288;
of Jupiter, 290;
of Jupiter's satellites, 293;
of Uranus, 304;
rotation of Venus, 252;
ashen light, 256;
intrinsic light of Jupiter, 291;
cometary spectra, 342, 343, 355, 357;
carbon in stars, 374;
stellar development, 375, 376;
spectrum of Gamma Cassiopeiae, 378;
of Nova Cygni, 393;
of Nova Andromedae, 395;
spectroscopic star catalogue, 381;
radial motion of Sirius, 386;
period of Mizar, 388;
eclipses of Algol, 390;
components of Nova Aurigae, 397;
spectrographic determinations of radial motion, 405, 406

Vogel, H. W., spectrum of hydrogen, 206 _note_, 383

Vulcan, existence predicted, 248;
pseudo-discoveries, 249, 250

Wadsworth, coronal photography, 189

Ward, Nova Andromedae, 394

Waterston, solar temperature, 218;
meteoric infalls, 311

Watson, fallacious observations of Vulcan, 181, 250;
asteroidal discoveries, 284

Webb, comet of 1861, 326

Weber, Baily's Beads, 62;
illusory transit of Vulcan, 249

Weinek, study of lunar photographs, 268

Weiss, comets and meteors, 332, 334

Wells, comet discovered by, 356

Wesley, drawings of corona, 175

Wheatstone, spectrum of electric arc, 132;
method of ascertaining light-velocity, 232

Whewell, stars and nebulae, 422

Williams, A. Stanley, canals of Mars, 279;
markings on Jupiter, 295, 297; rotation, 296;
Nova Persei, 400

Wilsing, solar rotation from faculae, 155;
density of the earth, 261;
system of, 61 Cygni, 419

Wilson, Alexander, perspective effects in sun-spots, 53, 154

Wilson, H. C., red spot on Jupiter, 295;
compression of Uranus, 304;
exterior nebulosities of Pleiades, 411

Wilson, W. E., solar temperature, 220, 222;
ultra-Neptunian planets, 306

Winnecke, comet discovered by, 94;
distance of the sun, 231;