BIOLOGY IN HUMAN AFFAIRS 



Beach, 333 

 Behavior, animal, 83 



physical basis of, 24 

 Beha%'iorism, 63 

 Belloc, Hilaire, 195 

 Bergson, 6 

 Beriberi, 370 

 Bernard, Claude, 275 

 Bile, functions of, 214 

 Bills, 140 

 Binet, 108 



Biochemistry, 29, 276 

 "Biography of an Infant," 69 

 Biology, contribution of, to human 

 welfare, 249 



history of, \5jf. 

 Biophysics, 21 



Birth control, 24, 51, 303, 313 

 Bishop, 369 

 "Black Oxen," 298 

 Blood, circulation of, demonstrated, 18 



constituents of, 106ff. 

 Blood cells, red, behavior of, in per- 

 nicious anemia, 208 



number and function of, 207 

 Blood cells, white, functions of, 210 



number of, 210 



numerous varieties of, 210 

 Blood poisoning, 232, 233 

 Blood pressure, factors controlling, 212 



high, causes of, 211, 213 

 Boas, 79 

 Boccaccio, 11 

 Body, human, ingredients of, 233, 234 



inorganic elements required by, 365 



integration among parts of, 273, 274 

 Boston Elevated Railway, accidents on, 

 causes of, 151 

 reduction of, 148, 149 

 Boutroux, 6 

 Bowers, Anna Mae, 76 

 Bowman, 285 



Bradford, William, Governor, 321 

 Brain power, man's greatest dis- 

 tinctiveness, 44 



"Brains of Mice and Men, The," 85 



"Breeder's Gazette," 345 



Bresee, Albert, 337 



Briffault, Robert, 27, 79 



Bright" s disease, 224, 225 



British Industrial Health Research 



Board, 148, 159 

 Bronner, Augusta F., 76 

 Browntail moth, 306 

 Bubonic plague, 241, 268 

 Buffers, 224 



Burbank, Luther, 337, 339 

 Bureau of Entomology, 305, 308 

 Bureau of Fisheries, 309 

 Bureau of Personnel Research, 140, 141 

 Bureau of Salesmanship Research, 140 

 Burks, 104 

 Byzantines, 16 



Cabell, 13 



Calcium, benefits derived from, 234 



effects of deficiency in blood, 210, 

 234, 374 



metabolism, 233j^. 



sources of, 234, 381 



use of, in treatment of tetany, 289 

 California, sterilization laws in, 193 

 Calories, number consumed per day, 218 

 Calverton, V. F., 89 

 Canada, history of wheat in, 351j^. 



importance of wheat to, 318 

 Cancer, experiments regarding con- 

 stitutional susceptibility to, 303 

 Canidae, man akin to, 38, 39 

 Cannon, Bishop, 195 

 Capillaries, function of, 18, 277 

 Carlyle, 186 

 Carman, E. S., 338 

 Carnegie Institute of Technology, 135, 



140 

 Carnegie Institution, 360 

 Carotin, 367 

 Casement, 345 



[386] 



