X 
CONTENTS. 
PAGE 
192. On the Area of the Conic Section represented by the General 
Trilinear Equation of the Second Degree . . . . 143 
Quart. Math. Jour. t. n. (1858), pp. 248—253 
193. On Rodrigues’ Method for the Attraction of Ellipsoids . . 149 
Quart. Math. Jour. t. n. (1858), pp. 333—337 
194. Note on the Theory of Attraction . . . . . . 154 
Quart. Math. Jour. t. n. (1858), pp. 338, 339 
195. Note on the Recent Progress of Theoretical Dynamics . . 156 
Report of British Association, 1857, pp. 1—42 
196. Note sur un Problème d’Analyse Indéterminée. . . . 205 
Nouvelles Annales de Math. t. xvi. (1857), pp. 161—165 
197. Note on the Theory of Logarithms . . . . . . 208 
Phil. Mag. t. xi. (1856), pp. 275—280 
198. Note on a Result of Elimination . . . . . . 214 
Phil. Mag. t. xi. (1856), pp. 378—379 
199. Note on the Theory of Elliptic Motion 216 
Phil. Mag. t. xi. (1856), pp. 425—428 
200. On the Cones luhich pass through a given Curve of the Third 
Order in Space ......... 219 
Phil. Mag. t. xii. (1856), pp. 20—22 
201. Second Note on the Theory of Logarithms . . . . 222 
Phil. Mag. t. xii. (1856), pp. 354—360 
202. Supplementary Remarks on the Porism of the In-and-circum- 
scribed Triangle . . . . . . . . . 229 
Phil. Mag. t. xiii. (1857), pp. 19—30 
203. On the Theory of the Analytical Forms called Trees . . 242 
Phil. Mag. t. XIII. (1857), pp. 172—176 
204. On a Problem in the Partition of Numbers .... 247 
Phil. Mag. t. xiii. (1857), pp. 245—248