Index of 



423 



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



Posidonius(i35 B.C. ?-5i B.C.?), 



". 45. 47 

 Pouillet (1791-1868), xin. 307, 



3 ! 9 



Pound, x. 206, 216 

 Provost (1751-1839), xn. 265 

 Pritchard (1808-1893), xin. 



278 , 279, 316 

 Ptolemy, Claudius (fl. 140 A.D.), 



ii. 25, 27, 32, 37, 46-52, 53, 



54; in- 55, 57, 59-63, 68; 



iv. 70, 76, 80, 83-87, 89, 91 ; 



v. 94, 105 ; vi. 121, 129, 134; 



vn. 145 ; viii. 161 ; ix. 194 ; 



x. 205 ; xi. 236 

 Ptolemy Philadelphus, n. 31 

 Purbach (1423-1461), in. 68; 



iv. 71 

 Pythagoras '(6th cent. B.C.), i. 



n, 14; ii. 23, 28, 47, 51, 54 



Recorde (1510-1558), V. 95 

 Regiomontanus (1436-1476), 



111.68,69; iv. 70, 71; v. 97, 



no 



Reimarus. See Bar 

 Reinhold (1511-1553), v. 93- 



96; vii. 139 

 Reymers. See Bar 

 Rheticus (1514-1576), iv. 73, 



74 ; v. 93, 94, 96 

 Ricardo, n. 47 n 

 Riccioli (1598-1671), viii. 153 

 Richer (7-1696), viii. 161; ix. 



180, 187 ; x. 199, 221 

 Rigaud, x. 206 n 

 Roemer (1644-1710), viii. 162 ; 



x. 198, 210, 216, 220, 225 ; 



xin. 283 

 Rosse (1800-1867), xni. 310, 



317 

 Rothmann (fl. 1580), v. 97, 



98, 106 

 Rudolph II. (the Emperor), v. 



106-108; vii. 138, 142, 143 



Sabine ( 1788- 1883), xin. 298 

 Sacrobosco (?-i256?), in. 67, 



68 



St. Pierre, x. 197 

 Savary (1797-1841), xin. 309 

 Scheiner (1575-1650), vi. 124, 



125; vn. 138; viii. 163; 



XII. 268 



Schiaparelli, xin. 297 



Schomberg, iv. 73 



Schoner, iv. 74 



Schonfeld (1828-1891), xin. 



280 

 Schroeter( 1 745-1816), xn. 267, 



271 



Schwabe (1789-1875), xin. 298 

 Secchi (1818-1878), xni. 311, 



312 



See, xin. 320 



Seleucus (2nd cent. B.C.), n. 24 

 Shakespeare, vi. 1 13 

 Sharp (1651-1742), x. 198 

 Slusius, ix. 169 

 Smith, xn. 251 

 Snell (1591-1626), viii. 159; 



ix. 173 



Sosigenes (fl. 45 B.C.), ii. 21 

 South (1785-1867), xni. 306 

 Struve, F. G. W. (1793-1864), 



xni. 279, 309 

 Struve, O., xni. 283 n 

 Svanberg (1771-1851), x. 221 

 Sylvester II. See Gerbert 



Tabit ben Korra (836-901), in. 



56, 58, 68 ; iv. 84 

 Tamerlane, in. 63 

 Tannery, n. 36 n 

 Thales (640 B.C. ?~546 B.C. ?), 



ii. 23; in. 55 

 Theon (fl. 365 A.D.), n. 53 

 Theophrastus, ii. 24 

 Theophylactus, iv. 72 

 Thomson, T., x. 208 n 

 Thomson, William. See Kelvin 



