INDEX 



conditions of preservation, 7 



Cro-Magnon, 31-36 



Dallas, Texas, 10 



Dawn man, 19-23 



Heidelberg, 16-19 



Heidelberg, age, 19 



intelligence of, 114 



Lansing, 10 



Mousterian, 23 



Neandertal, 23-28 



Nebraska loess, 10 



Piltdown, 19 



Piltdown, age of, 22 



pre-Mousterian, 35 



Rancho La Brea, 10 



record of discovery, 9 



South American, 10 



Tertiary, 36 



Upper Paleolithic, 31 



Upper Pliocene, 36 



Vero, Florida, 10 

 Frank, T., 180 

 Freedom of mind, 101 

 Frog, 112 



intelligence of, 111 

 Frontal, areas of brain, 120 



Galley Hill skull, 35 



Gallon, F., 167, 169, 171 



Geikie, 19 



Genes, 154 



Genial pit, 22 



Genital organs, external, development 



of, 54 



Germ cells, 157 



Germany, champion of a code, 142 

 Germinal cells, union, 42 

 Germinal inheritance, 157 

 Germ-plasm, 154, 158, 163, 164, 171, 

 182 



environment of, 156 



evolution in, 157 

 Gill clefts, 49 

 Girl, growth of, 67-69 



Gonads, development, 53 



grafting, 71 



migration, 54 



producing sex cells and hormones, 



97 

 Government, a cultural adjustment, 



134 



Gower, Wales, 31 

 Graduates, college, children of, 171 

 Gravel beds, Hastings, 19 

 Gravels, Piltdown, 19 



Trenton, 10 

 Greece, decay of, 179 

 Gregory, W. K., 14, 16, 19, 22 

 Grimaldi, 34 



features of, 34 



relation to Bushmen, 34 

 Grotte des Enf ants, France, 34 

 Ground sloth, 11 

 Growth, 63 



bone, 67 



curves for height and weight, 67 



controlled by internal secretions, 64 



decreasing rate of, 64 



hereditary factor in, 64 



period of, 64 



relative rate of, in organs of body, 

 66 



retarded by certain factors, 64 

 Grypotherium, 11 



Guinea pigs, gonad transplantation 

 in, 96 



Habits, fixed, 107 



Haeckel, 100 



Hair, development, 56 



fetal, 56, 77 



regulation of development by hor- 

 mones, 56 



slopes, 56 



tessellated junctions of, 56 

 Haldane, 102 

 Harelip, 57 

 Heart, auricles, 51 



