430 



General Index 



[Roman figures refer to the chapters, Arabic to the articles.] 



Fundamenta Astronomiae (of 

 Bessel), x. 218; xm. 277 



Funds of eccentricity, inclination, 

 xi. 245 



Galactic circle, xn. 258, 260 

 Galaxy. See Milky Way 

 Gauges, gauging. See Star- 

 gauging 



Georgium Sidus. See Uranus 



Gravitation, gravity, n. 38 n ; vn. 



150; viu. 158, 161 ; IX. passim] 



x. 196, 201, 213, 215, 219, 220, 



223, 226 ; XI. passim ; xn. 264; 



xm. 282, 284, 286-293, 309, 319 



Gravitational astronomy, x. 196; 



xm. 272, 273, 286 

 Gravity, variation of, vm. 161 ; 

 ix. 180; x. 199, 217, 221, 223; 

 xi. 231 



Great Bear, i. 12 ; xn. 266 

 Great circle, i. 11 ; n. 33, 42 ; iv. 



82, 84 



Gregorian Calendar. See Cal- 

 endar, Gregorian 

 Grindstone theory, xn. 258 ; xm. 

 317 



Hakemite Tables, m. 60, 62 

 Halley's comet, vn. 146 ; x. 200, 

 205; xi. 231, 232; xm. 291, 



307 



Harmonics (of Smith), xn. 251 

 Harmony of the World (of Kepler), 



vn. 144 



Helium, xm. 301 

 Herschelian telescope, xn. 255, 



256 

 Histotia Coelestis (of Flam steed), 



x. 198 



Holy Office. See Inquisition 

 Horizon, i. 3, 9; n. 29, 33, 35, 39, 



46; vm. 161 ; xm. 285 

 Horoscopes, v. 99 

 Hour, i. 16 



Hydrostatic balance, vi. 115 n 

 Hyperbola, ix. 190; xi. 236 n 

 Hyperion, xm. 295 



Ilkhanic Tables, in. 62 

 IlSaggiatore (of Galilei), vi. 127 

 Inclination, in. 58; iv. 89; xi. 



228, 244, 245, 246, 250; xm. 



294, 318 



Inclination fund, xi. 245 

 Index of Prohibited Books, vi. 126, 



132; vn. 145 

 Indians, Indian astronomy, i. 6 ; 



in. 56, 64 



Induction, complete, ix. 195 

 Inequalities, long, xi. 243 

 Inequalities, periodic, xi. 242, 



243, 245, 247 

 Inequalities, secular, xi. 242, 



243-247 ; xm. 282. See also 



Perturbations 



Inequality, parallactic, xm. 282 

 Inferior planets, i. 15 ; iv. 87, 88. 



See also Mercurj', Venus 

 Inquisition (Holy Office), vi. 126, 



i3 2 , J 33 



Institute of France, xi. 241 

 Inverse deductive method, ix. 195 

 Inverse square, law of, ix. 172- 



176, 181, 195 ; xi. 233. See also 



Gravitation 

 Ionian school, n. 23 

 Iris, xm. 281 

 Irradiation, vi. 129 

 Island universe theory, xu. 260 ; 



xm. 317 



Japetus, vm. 160; xn. 267; xm. 

 297 



Julian Calendar. See Calendar, 

 Julian 



Juno, xm. 294 



Jupiter, i. 14-16; ii. 25, 51; iv. 

 81, 87, 88; v. 98, 99; vi. 121, 

 127;- vn. 136 n, 142, 144, 145, 

 150; vm. 154, 156, 162; ix. 

 172, 181, 183, 185-187; x. 204, 

 216; xi. 228, 231, 235, 236, 

 243-245, 248 ; xii. 267 ; xm. 

 281, 288, 294, 297, 305. See 

 also the following headings 



Jupiter, belts of, xn. 267 



