General Index 



43 i 



[Roman figures refer to the chapters^ Arabic to the articles^ 



Jupiter, mass of, ix. 183, 185 

 Jupiter, rotation of, vm. 160 ; 



ix. 187; xm. 297 

 Jupiter, satellites of, n. 43 ; vi. 

 121, 127, 129, 133; vii. 145, 

 150; vm. 1 60, 162; ix. 170, 

 184, 185 ; x. 210, 216 ; xi. 228, 

 248 ; xii. 267 ; xm. 283, 295, 



297 



Jupiter's satellites, mass of, xi. 

 248 



Kepler's Laws, vn. 141, 144, 145, 

 151; vm. 152; ix. 169, 172, 

 175, 176, 186, 194, 195 ;x. 220; 

 xi. 244 ; xm. 294, 309 



Latitude (celestial), n. 33, 42, 



43; m. 63; iv. 89 

 Latitude (terrestrial), in. 68, 69; 



iv. 73 ; x. 221 ; xm. 285 

 Latitude, variation of, xm. 285 

 Law of gravitation. See Gravi- 

 tation 

 Laws of motion, vi. 130, 133 ; 



vm. 152, 163; ix. 171, 179- 



181, 183, 186, 194, 195 ; xi. 232 

 Leap-year, i. 17; n. 21, 22 

 Least squares, xm. 275, 276 

 Letter to the Grand Duchess (of 



Galilei), vi. 125 

 Level error, x. 225 n 

 Lexell's comet, xi. 248 ; xm. 305 

 Libra, first point of (==), 1. 13 ; n. 



42 

 Librations of the moon, vi. 133 ; 



x. 226 ; xi. 237, 239 

 Libros del Saber, m. 66 

 Light-equation, xm. 283 

 Light, motion of, velocity of, 



vm. 162; x. 208-211, 216, 220; 



xm. 278, 279, 283, 302. See 



also Aberration 

 Logarithms, v. 96, 97 n 

 Long inequalities, xi. 243 

 Longitude (celestial), n. 33, 39, 



42,43; m. 63 ; iv. 87 ; vn. 139 



Longitude (terrestrial), in. 68 ; 



vi. 127, 133; vn. 150; x. 197, 



216, 226 

 Longitudes, Bureau des, xi. 



238 



Lunar distances, in. 68 n 

 Lunar eclipses. See Eclipses 

 Lunar equation, xm. 282 

 Lunar theory, n. 48, 51 ; v. 1 1 1 ; 



vn. 145 ; vm. 156 ; ix. 184, 192 ; 



x. 226; xi. 228, 230, 231, 233, 



234, 240, 241, 242, 248; xm. 



282, 286, 287, 288, 290. See 



also Moon, motion of 

 Lunation, 11. 40. See also Month, 



synodic 



Macchie Solan (of Galilei), vi. 124, 



125 



Magellanic clouds, xm. 307 

 Magnetism, vn. 150; xm. 276, 298 

 Magnitudes and Distances of the 



Sun and Moon (of Aristarchus), 



n. 32 

 Magnitudes of stars, n. 42 ; xn. 



266 ; xn. 280, 316. See also 



Stars, brightness of 

 Mars, i. 14-16 ; n. 25, 26, 30, 51 ; 



m. 68; iv. 81, 87; v. 108; 



vi. 129; vii. 136 n, 139-142, 144, 



145 ; vm. 154, 161 ; ix. 181, 



183, 185 ; x. 223, 227 ; xi. 235, 



245 ; xii. 267 ; xm. 281, 282, 



284, 294, 295, 297. See also 



the following headings 

 Mars, canals of, xm. 297 

 Mars, mass of, xi. 248 

 Mars, opposition of, vm. 161; xm. 



281, 284, 297 

 Mars, rotation of, vm. 160; xm. 



295, 297 



Mars, satellites of, xm. 295 



Mass, ix. 180, 1 8 1, 185 



Mass of the earth, sun, Venus .... 

 See Earth, Sun, Venus .... mass 

 of 



Mecantque Analytique (of La- 

 grange), xi. 237 



