360 



INDEX. 



Achilles and the Tortoise, 84. 



Agrippa, Cornelius, 138. 



Ahrens, W. 113, 138. 



Airy, Sir Geo. 108. 



Aix, Labyrinth at, 186. 



Alcuin, 2, 71. 



Algebraic Integers, 41. 



Alkborough, Labyrinth at, 186. 



Alphabet, Morse, 313. 



Amicable Numbers, 38. 



Ampere, A. M. 263. 



Anallagmatic Arrangements, 65-66. 



Anaxagoras, 350. 



Anderson, T. 316. 



Andrews, W. S. 157. 



Angular Motion, 86. 



Anstice, E. R. 194. 



Antipho, 297. 



Apollonius, 339, 342, 351. 



Arago, F. J. D. 276. 



Archimedes, 54, 90, 346, 350, 352, 



354. 

 Archytas on Delian Problem, 340. 

 Argyle, Earl of, 299. 

 Arithmetic, Higher, 36-43. 

 Arithmetical Fallacies, 28-31. 

 Abithmetical Prodigies, chap, xm, 



— Puzzles, 4-33. 



— Recreations, chaps. I. II. xi. xn. 



— Restorations, 248-253. 

 Arithmometers, chap. xiii. 

 Arya-Bhata on ir, 351. 

 Asenby, Labyrinth at, 186. 

 Augustus, 315. 



Ayrton, W. E. on Magic Mirrors, 108. 



Bachet's Problimes, 2-25, 34-36, 71, 



238, 240. 

 Bacon, Francis, 315. 

 Bailey, J. E. 292. 

 Baker, H. F. 235. 

 Ball, W. W. R. 321, 338. 

 Barbette, E. 157. 

 Baudhayana on tt, 351. 

 Bazeries, 311. 

 Beaufort Cipher, 308. 

 Bees and their Cells, chap. vm. 

 Bees' Cells, Shapes of, 161-162. 

 Benham, C. E. 108. 

 Bennett, G. T. 118. 



Bergholt, E. G. B. 33. 



Bernoulli, John, 29. 



Berri, Duchesse de, 310. 



Bertrand, J. L. F. 28. 



Bertrand, L. (of Geneva), 124. 



Berwick, W. E. H. 250. 



Besant on Hauksbee's Law, 101. 



Bewley, E. D. 33. 



Bhaskara on w, 352. 



Bickmore, C. E. 357. 



Bidder, G. P. 271-275, 282-291. 



Bidder Family, The, 259, 275. 



Biering, C. H. 338. 



Bilguer, von, on Chess Pieces, 112. 



Binary Powers, Fermat on, 39-40. 



Binet, A. 279. 



Birds, Flight of, 106-107. 



Bishop's Re-entrant Path, 134. 



Boat-racing with a Rope, 101. 



Bordered Magic Squares, 144-146. 



Boscovich, R. 165. 



Boughton Green, Labyrinth at, 186. 



Bouniakowski, V. on Shuffling, 235. 



Bourget, M. J. on Shuffling, 235. 



Bourlet, C. E. E. 22, 23. 



Bouton, C. L. 21. 



Brahmagupta on w, 352. 



Bray, A. on Kirkman's Prob., 194, 203. 



Breton on Mosaics, 185. 



Bridge, Problem, 222. 



Bromton, 184. 



Brougham, Lord, 165. 



Brouncker, Viscount, on it, 355. 



Bryan, G. H. on Bird Flight, 106, 107. 



Bryant, S. 167-169. 



Bryso, 350. 



Busschop, P. 258. 



Button-Hole, String Trick, 335-336. 



Buxton, Jedediah, 265-268. 



Caesar, Julius, 315. 



Calculating Prodigies, chap. xm. 



Calculation, Mental, chap. xm. 



Calendar Problems, 253. 



Callet, J. F. on w, 357. 



Cantor, M. on jr, 349. 



Cardan, G. 2, 229, 232, 292. 



Cards, Problems with, 16-18, 32, 33, 



71, 235-246. 

 Caroline Catch, String Trick, 330-333. 



