INDEX 



363 



Hauksbee's Law, 101-106. 



Hayward, Sir J. 302. 



Heawood, P. J. on Maps, 56. 



Hegesippus on Decimation, 24. 



Helmholtz, H. L. F. von, 97. 



Henry, Ch. on Euler's Problem, 170. 



Hermann, A, 65. 



Herniary, 192. 



Herodotus on Late Moeris, 184. 



Hero of Alexandria on ir, 340, 351. 



Herschel, Sir John, 272. 



Herscbel, Sir William, 273. 



Hexagon Problem, 256. 



Hiero of Syracuse, 90. 



Higher Arithmetic, 36-43. 



Hills and Dales, 59-60. 



Hippias, 350. 



Hippocrates of Chios, 340, 350. 



Hoffmann, L. 332. 



Holtz, E. 258. 



Houdin, J. E. B. 278. 



Huber, P. 164. 



Hudson, C. T. 244. 



Hudson, W. H. H. 236. 



Hutton, C. 3, 356. 



Huygens, C. 342, 346, 355. 



Hyper-magic Squares, 150-158. 



Icosian Game, 189-192. 

 Inaudi, J. 279-282. 

 Inertia, 88, 89. 

 Integers, Algebraic, 41. 

 Internal Structure, Test of, 93. 

 Inwards on the Cretan Maze, 184. 



Jaenisch, C. F. de, 120, 122, 128, 132. 

 James II of England, 299. 

 Jarjanese Magio Mirrors, 108. 

 Jayne, C. F. on String Figures, 332. 

 Jephson, T. 272. 



Johnson, W. on Fifteen Puzzle, 224. 

 Jones, W. on tt, 349, 356. 

 Josephus Problem, 23-27. 

 Julian's Bowers, 186. 

 Julius Caesar, 312. 



Kempe, A. B. on Colouring Maps, 56. 

 King's Be-entrant Path, 133. 

 Kirkman, T. P. 193. 

 Kibkman's Problem, chap. x. 

 Klein, F. C. 284. 

 Kluber, J. L. 292. 



Knight, Be-entrant Path, 122-132. 

 Knights op the Bound Table, 33. 

 Knyghton, 184. 

 Koenig, S. 162-164. 

 Konigsberg Problem, 170-183. 

 Kummer, E. E. 42. 



Labyrinths, 182-187. 



Lacroix, P. L. 346. 



Lagny on r, 356. 



Lagrange's Theorem, 39. 



La Hire, P. 147, 150. 



Laisant, C. A. 12. 



La Loubere, S. 139, 151. 



Lambert, J. H. on t, 346, 347. 



Lame, G. 42. 



Langley, S. P. on Bird Flight, 106. 



Laquiere on Knight's Path, 131. 



Latin Squares, 136. 



Latruaumont, 318. 



Lavernede, J. E. T. de, 129. 



Lawrence, F. W. 37. 



Leake, 11, 14, 18, 22. 



Lebesgue on Fermat's Theorem, 42. 



Legendre, A. M. 42, 124, 132, 293, 



294. 

 Legros, L. A. 194, 195. 

 Lejeune Dirichlet on Fermat, 42. 

 Leonardo of Pisa on x, 353. 

 Leslie, J. 340, 344. 

 Leurechon, J. 2, 11. 

 Lhulier, S. 165. 



Lightning, String Figure, 326-327. 

 Linde, A. van der, 122. 

 Lindemann on 7r, 347- 

 Lines of Slope, 60. 

 Listing, J. B. 81, 172, 379. 

 Liveing on the Spectrum Top, 108. 

 Lizard Twist, String Trick, 332-333. 

 Loudon and Wise, 186. 

 Loubere, S. de la, 139, 151. 

 Loyd, S. 19. 

 Lucas, E. 67, 72, 77, 79, 80, 170, 178, 



183, 218, 228, 232. 

 Lucas di Burgo, 2. 

 Lucoa, Labyrinth at, 186. 



Macaulay, W. H. 259-260. 



McClintock, E. 145. 



Macbin's Series for ir, 356, 357, 358. 



Maclaurin, C. 164, 472. 



MacMahon, P. A. 34, 35-36, 67, 136, 



255. 

 Maeterlinck, M. 164. 

 Magio Bottles, 90, 91. 

 Magio Mirrors, 108. 

 Magic Pencils, 163-165. 

 Magio Product Squares, 147. 

 Magic Squares, chap. vn. 

 Magic Square Puzzles, 158, 160. 

 Magio Stars, 147-148. 

 Magnus on Hauksbee's Law, 103. 

 Mangiamele, V. 276. 

 Map Colour Theorem, 54-59. 

 Maraldi, G. F. 163. 

 Marie Antoinette, 318. 

 Marsden, E. on Kirkman's Prob., 194. 

 Mascheroni, L. 262, 263. 



