INDEX 
Agricultural needs of man, 28 seg. 
Animals, world population of, 26 
Arable land, 29, 36 
Disease and population, 24, 111, 
125 
Distribution of population, 19 
5eq., 75 5€q., 94 
East, 61, 63, 70, 72, 96 
Eugenics, 112 seq. 
Baker, 33, 34 
Bernhardi, 97 
Birth-control, 59, 75, 93, 108, 
109 
Boirac, 127 
Brenier, 63 
Brownlee, 95 
8 
Capacity for population, of differ- 
ent countries, 23, §6 seg., 69, 
75 seg. 
Cereals, land used for, 36 seg. 
— production of, 65 seg. 
— yields of, 39, 40 
Civilization, effect on population, 
14, 135, 80 seg., 120 
Conference, World population, 
63, 126 
Croce, 95 
Crockshank, 59,79 
Fertilizers, supplies and consump- 
tion, 40 seq. 
Fish, as food supply, 27, 38 
Food-crops, land used for, 36 sey., 
65 seg. 
Food supply, 26 seg., 36 seg. 
60 seg., 65 seg., 78, 103 seq. 
Forestry. See Timber 
Gobineau, 79 
Growth of population. 
crease of population 
{+ 
See In- 
Hakn, 95 
History, Human, g, 15 
1D 
Density of population, 20 seg. 
51 Seq., 120 seq. 
Dietary standards, 32, 63 
[ncrease, of population, rate of, 
10 seg., 47 s¢4., 5X seg., 80 
Inge, 87, 110, 127