clx INDEX. 



Photometric arrangement of the fixed stars by Sir John Herschel's method, p. 

 xl. xlv. 



Planets, general view of the, p. 296-338, and civ. cxxiii. Special notice of, p. 

 344, 348393, and cxxiv. clxi. Views of the ancients respecting the, p. 297 

 301. Names, epithets, recognised number of the, and days of the week and 

 hours connected with them, both in antiquity and also among the Indians 

 and other nations, p. cvi. cxv. (Notes 505 and 506.) Number and epochs of 

 discovery of, p. 297304. Table of dates of discovery, p. 302304. Distribu- 

 tion into two groups, p. 304309. Magnitudes and figure, p. 309312. Dis- 

 tances from the Sun, p. 313 322. Kepler on the intervals between the, p. 

 317318, and cxvi. (Note 519.) So-called " law of Bode," of the distances of 

 the, p. 319322, andcxix. cxxi. (Notes 523525.) Masses of the, p. 322 

 323. Density of the, 323324. Periods of revolution and rotation of the, p. 

 324 326. Inclination of the orbits of the, and their axes of rotation, p. 326 

 333. Excentricity of the orbits of the, p. 333 337. Strength of Sun's light 

 on the different, p. 337 338. Group of small, p. 303, 304, 305, 306, 314, 333, 

 338, 339. Special notice of the group of small, p. 371375, and cxxxiv. 

 cxxxv. (Notes 603611.) Table of elements of, p. 373. Addition to this 

 group of the newly discovered small planet Eunomia, p. 456. 



Planetary system, elements of stability in, p. 447 452; and generally, see " Solar 

 Domain." 



Plato, his views of the Cosmos, p. 13 ; of the harmony or music of the spheres, 

 p. 315. 



Polarisation of light, p. 46 47, xvi.-xvii. 283287 and cii. ciii. Arago on, p. 

 cii. ciii. (Note 483.) 



Proselenes, supposed existence of, p. 318319, and cxvii cxix. (Note 522.) 



Pythagorean view of the Cosmos, p. 1213 ; and of the music of the spheres, p. 

 315317. 



Rays, apparent, of the stars, p. 50, 109111. 



Retrospective glance at the two first volumes of Cosmos, p. 3 8. 



Satellites, generally, p. 338343. The Earth's, see Moon. Of Jupiter, p. 379 

 381. Description of them by Gall?, and account of their being seen by the 

 naked eye, p. xix. xx. (Note 105.) Of Saturn, p. 385387. Of Uranus, p. 

 388390, and 457. Of Neptune, p. 392393. 



Saturn, p. 381385, and cxxxvii. cxxxviii. Belts, p. 381382. Ring, p. 382 

 385. Excentric position, p. 384. Satellites, p. 385387. 



Scintillation, phenomena of, p. 6771. Arago on, p. xxvii. xxix. (Note 129.) 

 Garcin on the absence of, in the sky of Arabia, p. xxx. (Note 135.) 



Sirius (Sothis), change of colour in, p. 112114, and 453, lix. Ixi. (Note 218.) 

 Light of, p. 84. Constellations of the southern hemisphere, p. 116117, and 

 Ixii. (Note 230.) 



Solar Domain, general view of, p. 259266, and 259452. Classification of bodies 

 belonging to, p. 264265. Elements of stability in, p. 447452. 



Solar system, its motion, p. 181, and 193198. 



Space, cosmical, p. 3042, ix. xiv. Only portions of it measurable, p. 31. Tem- 

 perature of, p. 3639, xii. xiii. (Notes 7177.) Limited transparency of, p. 

 3940, xiii. (Note 78.) Resisting medium in, p. 4041, xiii. xiv. (Notes 

 78-86.) 



Sphere, imaginary crystal, p. 106 108, and liv. Ivi. Music of the spheres, p. 

 315317, and cxv. (Note 511.) 



