xii CONTENTS. 



PAGE 



44. Address on presenting the gold medal of the Royal Astronomical 



Society to M. Charles Delaunay . . . . . .328 



Monthly Notices of the Royal Astronomical Society, Vol. xxx. (1870), 

 pp. 122132 



45. Address on presenting the gold medal of the Royal Astronomical 



Society to Professor H. D' Arrest 341 



Monthly Notices of the Royal Astronomical Society, Vol. xxxv. (1875), 

 pp. 265275 



46. Address on presenting the gold medal of the Royal Astronomical 



Society to M. le Verrier . . . . . . .355 



Monthly Notices of the Royal Astronomical Society, Vol. xxxvi. (1876), 

 pp. 2.32246 



47. Astronomical observations made at the Observatory of Cambridge, 



under the superintendence of Professor Adams . . .374 

 Introduction to Vol. xxi. (18611865) 



48. On the mean places of 84 fundamental stars, as derived from 



the places given in the Greenwich catalogues for 1840 and 

 1845, when compared with those resulting from Bradley' s 

 observations . . . . . . . . . 386 



Appendix to Astronomical Observations made at the Cambridge 

 Observatory, Vol. xxn. (1866 1869), pp. xxxiii Ixxxiv 



49. Account of some trigonometrical operations to ascertain the 



difference of geographical position between the Observatory 



of St John's College and the Cambridge Observatory . . 403 



Cambridge Philosophical Society's Proceedings, Vol. i. (1852), pp. 

 119120 



50. Proof of the 'principle of Amsler's planimeter .... 405 



Cambridge Philosophical Society's Proceedings, Vol. I. (1857), p. 192 



51. Note on the resolution of x n + -- 2 cos no, into factors . . 407 



X. 



Cambridge Philosophical Society's Transactions, Vol. XL, Part 2 (1868), 

 pp. 444446 



