434 INDEX OF SUBJECTS. 



Vitamines, not directly known, 18;- War, 26, 224, 226, 302,357; arma- 



indispensable to life, 57; mistaken ments, 8; rules of warfare being 



assumption, 90-91 ; fat-soluble fac- reduced to a single system of rules, 



tor, 108; beri-beri, 139, 309; scurvy, 157; problems arising out of the 



139, 213, 214, 246; accessory food world : international police force, 



factors, 172; influence of - - on limitation of armaments, league of 



diet, 262, 262-263; deficiency dis- nations, peace and , 239-242; 



eases, 284, 309; value of * certain peace and , 251-252; causes of 



foods, 356-357; deficiencies "in pa- subsequent economic crisis, 315-316. 



tent foods, 360. Whewell, his method, 52. 



Volcanoes, 58, 87, 105, 317, 333. World Formula, 94, 98. 



