ßea coNSpECTüs; 



.,': S 5. Riccioli. 1653. .H.itMth fu<i,iT. ^lag} 123. 



AETAS ALTERA. Ab H u g 6 n i o ad B r a d 1 u iu m 1660 — 1750, sive : 



Ab inventis jnstrumentis novis ad deteclos stellarum motus. 



§- 1. Causa epochae. 1660. ■ , •*■ . • . . — 127. 



S 2. Huyghens. 1666. — 129. 



§ 3. Hook. 1689 J32. 



§ 4. Picard. 1671 135. 



S 5, Wallis. 1693 142, 



S 6. Roberts. . 1694 144. 



§ 7. Flamstead. 1698 ■ — 146. 



§ 8, Cassini. (J ) 1699^ — 153, 



§ 9. Römer. 1710 155. 



§ 10. Cassini. (J.) 1715 162. 



S II. Hallcy. 1720 164. 



S 12. Bradley. 1725 166. 



§ 1-3. Horrebow. 1727. ; ,itoc.i .... 172. 



§ 14. . Manfredi. , .17,30, , , . . . . . - — 175. 



S 15. De l'lsle, Lulofs. 1735 — 184, 



§ 16. Clairaut. 1739. 18Ö. 



S 17. ßradley. 1748 192. 



AETAs rosTERioR. ABradlcio ad Besselum. 1750 — 1830, sive: 



A deleclis stellarum motibus ad posita ncyae astronomiae fundamenta. 



§ 1. Causa cpocha«. . 1750 198. 



§ 2. Maskelyne. 1760 . 199. 



§ 3. Mitchell. 1767 — 204. 



§ 4. Heischel (W.), Schubert. 1782 207. 



-S 5.. Piazzi . 180J 211. 



§ 6. Calandrelli. 1806 215. 



§ 7. Delambre, Bessel, von Zach. 1808 218. 



§ 8. Brinkley, Pond. 1810. 221. 



§ 9. Beseel. 1815 — 222. 



§ 10.. Pond. . 1817 225. 



% 11., Brinkley. . 1818 229. 



,, , % 12., PoBd, Brinkley. 1819 234. 



j . . i S 13. 



