General Index 



429 



\Romanfigures refer to the chapters, Arabic to the articles.] 



40-42, 43, 47-49. 54; "i. 57- 



68 ; iv. 76, 85 ; v. 1 10 ; vi. 127 ; 



vn. 145, 148; vni. 162; x. 201, 



205, 210, 216, 227; xi. 240; 



xiii. 287, 301 



Eclipses, annular, n. 43 ; vn. 145 

 Eclipses, partial, n. 43 

 Eclipses, total, n. 43 ; vn. 145 ; 



x. 205 ; xiii. 301 

 Ecliptic, i. 11, 13, 14; n. 26, 33. 



35. 3 6 38, 40, 42, 5i ; in. 58, 



59, 68 ; iv. 80, 82-84, 87, 89 ; 



v. in; vin. 154; x. 20 -. 2:>>, 



213, 214, 227 ; xi. 235, 236, 24 1. 



246, 250 

 Ecliptic, obliquity of, i. 11 ; n. 



35, 36, 42 ; in. 59, 68 ; iv. 83, 

 , 84 ; xi. 235, 236 

 ^cole Normale, xi. 237, 238 

 Ecole Polytechnique, xi. 237 

 Egyptians, Egyptian astronomy, 



i. 6, II, 12, 16; n. 23, 26, 30, 



45 J iv. 75 

 Elements (of Euclid), in. 62, 66; 



ix. 165 

 Elements (of an orbit), xi. 236, 



240, 242, 244, 246 ; xiii. 275, 



276 

 Elements, variation of. See 



Variation of elements 

 Ellipse, n. 51 n; in. 66 ; vn. 140, 



141; ix. 175, 176, 190, 194; x. 



200, 209, 214; xi. 228, 236, 242, 



244 ; XIH. 276, 278, 309 

 Ellipticity, x. 221 

 Empty month, n. 19, 2O 

 Empyrean, in. 68 

 Enceladus, xii. 255 

 Encke's comet, xiii. 291 

 Encyclopaedia, the French, xi. 232 

 Energy, xni. 319 

 Ephemerides. See Almanacks 

 Ephemerides (of Regiomontanus), 



in. 68 

 Epicycle, n. 37, 39, 41, 45, 48, 



51, 54; in. 68; iv. 85-87, 89- 



91; vn. 139, 150; vin. 163; ix. 



170, 194 



Epitome (of Kepler), vi. 132 ; vn. 



144, 145 



Epitome (of Purbach), in. 68 

 Equant, n. 51 ; in. 62 ; iv. 85, 89, 



91 ; vii. 139, 150 

 Equation of the centre, n. 39, 48 ; 



in. 60 ; v. ill 

 Equator, i. 9, IO, II ; n. 33, 35, 



39, 42 ; iv. 82, 84 ; v. 98 ; vi. 



129, 133 ; ix. 187 ; x. 207, 220, 



221 ; xiii. 285 



Equator, motion of. See Preces- 

 sion 

 Equinoctial points, i. 11, 13 ; 11. 



42. See als-j Aries, first point of 

 Equinoxes, i. 11 ; n. 39, 42 

 Equinoxes, precession of. See 



Precession 

 Essai philosophiqiie (of Laplace), 



xi. 238 



Ether, xiii. 293, 299 

 Evection, 11. 48, 52; 111. 60; iv. 



85 ; v. in; vii. 145 

 Evening star, i. 14. See also 



Venus 

 Exposition du Systeme du Monde 



(of Laplace), xi. 238, 242 n, 250 



Faculae, vm. 153 ; xni. 300, 301, 



33 

 Figure of the earth. S^ Earth, 



shape of 



Firmament, in. 68 

 First point of Aries, Libia. See 



Aries, Libra, first point of 

 Fixed stars, i. 14. See Stars 

 Fluxions, ix. 169, 191 ; x. 196 

 Fluxions (of Maclaurin), xii. 251 

 Focus, vii. 140, 141 ; ix. 175; xi. 



236 



Force, vi. 130; ix. 180, 181 

 Fraunhofer lines, xiii. 299, 300, 



303, 304 

 Front-view construction. See 



Herschelian telescopes 

 Full month, n. 19, 20 

 Full moon. See Moon, phases of 

 Fundamenta (of Hansen), XIH. 286 



