General Index 



435 



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



Poles (of the celestial sphere), i. 



8, 9, 10 ; ii. 33, 35; iv. 78; vi. 



129; x. 207, 214; xin. 285 

 Poles (of the earth), iv. 82 ; ix. 



187; x. 220, 221 ; xin. 285 

 Pole-star, i. 8, 9 

 Pollux, xn. 266 

 Pons-Brooks comet, xin. 291 

 Postulates (of Ptolemy), n. 47 

 Postulates (of Coppernicus), iv. 



76 



Praesepe, xn. 260 

 Precession (of the equinoxes), 



ii. 42, 50 ; in. 58, 59, 62, 68 ; 



iv. 73, 83, 84, 85; v. 104, 112; 



vi. 129; ix. 188, 192; x. 213- 



215, 218, 221 ; xi. 228, 232, 



248; xin. 277, 280 

 Prima Narralio (of Rheticus), 



iv. 74 ; v. 94 

 Primum Mobile, in. 68 

 Principia (of Descartes), vni. 163 

 Principia (of Newton), iv. 75 ; vni. 



152; ix. 164, 177-192, 195 ; x. 



196, 199, 200, 213; xi. 229, 234, 



235. 240 

 Principles of Philosophy (of 



Descartes), vni. 163 

 Probabi life's, The'orie Analytijuc 



des (of Laplace), xi. 238 

 Problem of three bodies. Sec 



Three bodies, problem of 

 Prodromus Cometicus (of Hevel), 



vni. 153 



Prominences, xin. 301, 302, 303 

 Proper motion (of stars), x. 203, 



225 ; xn. 257, 265 ; xin. 278, 280 

 Prosneusis, n. 48 ; in. 60 ; iv. 85 

 Prussian 'tables^ v. 94, 96, 97, 



99; vn. 139 

 Pythagoreans, 11. 24 ; iv. 75 



Quadrant, v. 99 ; x. 218, 225 n 

 Quadrature, n. 48; in. 60; v. in 

 Quadruium, in. 65 



R cherches sur diffe'rens points (of 

 D'Alembert), xi. 233, 235 



Rccherches sur la precession (of 



D'Alembert), xi. 215 

 Red uc ion of observations, x. 



198, 218; xm. 277 

 Reflecting telescopes, ix. 168 ; 



xii. 251-255 

 Refracting telescopes, ix. 168. 



See also Telescopes 

 Refraction, n. 46 ; in. 68 ; v. 98, 



110: vii. 138; vni 159, 160; 



x. 217, 218, 223; xin 277 

 Reiative motion, principle of, 



iv. 77; ix. 1 86 n 

 Renaissance, iv. 70 

 Results of Astronomical Observa- 

 tions (of John HerschelJ, xin. 



308 



Retrograde motion, i. 14 

 Reversing stratum, xin. 303 

 Reviews of the heavens, xn. 252, 



2 53 



Revival of Learning, iv. 70 

 Rri(_a, vni. 160 

 Rigel, in. 64 

 Rigiit ascension, n. 33, 39; x. 



198, 218 ; xin. 276 

 Rills, xin. 296 

 Rings of Saturn. See Saturn, 



rings of 

 Rotation of the celestial sphere. 



See Daily motion 

 Rotation of the earth, sun, Mars, 



etc. See Earth, Sun, Mars, 



etc., rotation of 

 Royal Astronomical Society. See 



Astronomical Society, Royal 

 Royal Society, ix. 1 66, 174, 177, 



191, 192 ; x. 201, 202, 206, 208 ; 



xn. 254, 256, 259, 263; xm. 



292, 308 

 Ritdolphine Tables, v. 94 ; vn 



148, 151 ; vni. 156 

 Ruler, i. 16 

 Running down of the solar 



system, xin. 293, 319 



Sagiatore (of Galilei), vi. 127 

 Sappho, xin. 281 



