GENERAL INDEX. 



Roman figures refer to the chapters. Arabic to the articles. When several 

 articles are given under one heading the numbers of the most important 

 are printed in clarendon type, thus : 207. The names of books are 

 printed in italics. 



Aberration, x. 206, 207-211, 212, j 

 21*, 216, 218; xn. 263; xin. 

 277, 283, 284 



Academic Francaise, xi. 232, 238 

 Academy of Berlin, xi. 230, 237 

 Academy of St. Petersburg, xi. 



230, 233 

 Academy of Sciences (of Paris), 



X. 221, 223; XI. 229-233, 



235-237 



Academy of Turin, xi. 237, 238 

 Acceleration, vi. 133 ; ix. 171, 



172, 173. !79, l8o l8 5. 195; 



x. 223 

 Ad Vitellionem Paralipomena (of 



Kepler), vn. 138 



Alaesive Scalae (of Dirges), v. 95 

 Aldebaran, in. 64 ; xm. 316 w 

 Alexandrine school, n. 21, 31-33, 



36-38, 45, 53 

 A If on sine Tables, in. 66, 68; v. 



94, 96, 99 



Algol, xn. 266; xin. 314, 315 

 Almagest (of Ptolemy), 11. 46-52 ; 



HI. 55, 56, 58, 60, 62, 66,68; 



iv. 75, 76, 83 



Almagest (of Abul Wafa), m. 60 

 Aln.ngest, New (of Kepler), vii. 



148 

 Almagest, New (of Riccioli), vm. 



153 



425 



Almanac , Nautical, x. 218; xin. 



286, 288, 290 

 Almanacks, i. 18 ; n. 20, 38 ; in. 



64, 68; v. 94, 95, 100; vii. 



136; x. 218, 224; xin. 286, 



288, 290 



Altair, in. 64; xin. 316 n 

 Analysis, analytical methods, x. 



196 ; xi. 234 



Angles, measurement of, i. 7 

 Annual equation, v. Ill; vn. 145 

 Annual motion of the earth. See 



Earth, revolution of 

 Annual motion of the sun. See 



Sun, motion of 

 Annual parallax. See Parallax, 



stellar 



Annular eclipse, n. 43; vn. 145 

 Anomalistic month, n. 40 

 'AvrtxQuv, ii. 24 

 Apex of solar motion, xu. 265 

 Aphelion, iv. 85 

 Apogee, n. 39, 40, 48 ; HI. 58, 59 ; 



iv. 85; v. in; ix. 184- xi. 



233 



Apparent distance, i. 7 

 Apple, Newton's, ix. 170 

 Apse, apse-line, n. 39, 40, 48; iv. 



85 ; ix. 183 ; xi. 235, 236, 242, 



246 

 Arabic numerals, m. 64 ; v. 96 



