CONTENTS. 
XI 
205. Note on the Summation of a Certain Factorial Expression . 250 
Phil. Mag. t. xiii. (1857), pp. 419—423 
206. Note on a Theorem relating to the Rectangular Hyperbola . 254 
Phil. Mag. t. xiii. (1857), p. 423 
207. Analytical Solution of the Problem of Tactions . . . 255 
Phil. Mag. t. xiii. (1857), pp. 507—509 
Tfl Tilj 
208. Note on the Equipotential Curve —I— 7 = C. 258 
Phil. Mag. t. XIV. (1857), pp. 142—146 
209. A Demonstration of Sir W. R. Hamilton 7 s Theorem of the 
Isochronism of the Circular Hoclograpli . . . . 262 
Phil. Mag. t. xiv. (1857), pp. 427—430 
210. On the Cubic Transformation of an Elliptic Function . . 266 
Phil. Mag. t. xv. (1858), pp. 363—364 
211. On a Theorem relating to Hyper geometric Series . . . 268 
Phil. Mag. t. xvi. (1858), pp. 356, 357 
212. A Memoir on the Problem of Disturbed Elliptic Motion . 270 
Mem. R. Astron. Soc. t. xxvn. (1859), pp. 1—29 
213. On the Development of the Disturbing Function in the Lunar 
Theory ........... 293 
Mem. R. Astron. Soc. t. xxvii. (1859), pp. 69—95 
214. The First part of a Memoir on the Development of the Dis 
turbing Function in the Lunar and Planetary Theories . 319 
Mem. R. Astron. Soc. t. xxvm. (1860), pp. 187—215 
215. A Supplementary Memoir on the Problem of Disturbed Elliptic 
Motion ........... 344 
Mem. R. Astron. Soc. t. xxvm. (1860), pp. 217—234