INDEX. 



Accidents, 342 

 Airy, G. B., 447, 484 

 Anticipations, tacit, 287 

 Arbuthnott, 258 

 Aristotle, 205, 307 

 Average, arithmetical, 437 



geometrical, 439 

 median, 442 



consequences of, 482 



necessary results of, 457 

 uses of, 439, 489 



Babbage, 343 



Bags and balls, 180, 411 



Belief, correctness of, 125, 131, 178 



gradations of, 139 



growth of, 199 

 language of, 143 



measurement of, 119, 125, 



146 



quantity of, 133 

 test of, 140, 149, 294 

 undue, 129 



vagueness of, 127 

 Bentham, 319, 323 

 Bernoulli, 91, 117, 389 

 Bertillou, 435 



Births, male and female, 90, 258, 



263 

 Boat race, Oxford and Cambridge, 



339 

 Boole, 183 



V. 



Buckle, 237 



Buffon, 153, 205, 352, 389 

 Burgersdyck, 311 

 Butler, 209, 281, 333, 366 



Carlisle Tables, 169 

 Casual, meaning of, 245 

 Causation, need of, 237 



proof of, 244 

 Centre of gravity, 467 

 Certainty, in Law, 324 



reasonable, 327 

 hypothetical, 210 



Chance and Causation, 244 



Creation, 258 



Design, 256 



Genius, 353 

 _ neglect of small, 363 



selections, 338 

 Chauvenet, 352 

 Classification, numerical scheme of, 



48 



Coincidences, 245 



Combinations and Permutations, 87 

 Communism, 375, 392 

 Conceptualism, 275 

 Conflict of chances, 418 

 Consumptives, insurance of, 227 

 Cournot, 245, 255, 338 

 Crackanthorpe, 312, 320 

 Craig, J., 192 

 Crofton, M. W., 61, 101, 104 



33 



