INDEX 



277 



Growth Continued 



and differentiation, 161 



appositional, 191 



boys, table of, in 



cause of loss of, 161 



centres of, 186, 188 



chick embryos, n8 



diffuse, 189 



early rapid decline, 130, 131 



errors in statistics, xii-xiii 



experiments on, x-xii 



focal, 191 



girls, table of, 112 



interstitial, 189 



loss in rate at birth, 126 



man, before birth, 128 



method of study, xi-xiii 



of Boston children, 90 



of glands, 192 



of hairs, 192 



of lens, 191 



of tumours, 206, 224 



of young cells, 186 



power at birth, 126 



prepubertal acceleration, xii 



rapidity of, 90 



rate of, 86 



decline before birth 126, 



129 



denned, 93 

 influence of temperature, 



88 

 method of measuring, 86 



regulation of, 186, 205 



relation to composition of 



milk, 107 

 Growth-zones, 192 

 Gruber, 141 , 200 

 Guinea-pigs, experiments with, 89 



selected for growth experi- 

 ments, x 



H 



Haacke, 235 

 Haeckel, 234 

 Haemoglobin, 78 

 Hair, death of, 36 



differentiation, 59 



growth of, 192 



origin of white, 27 



pigment of, 36, 82 

 Handmann, E. (foot-note), 17 



Hardesty, I. (foot-note), 67 

 Hartmann, M., 263 

 Hatai, 178 

 Heart in old age, 14 



isolated, 214 

 Heat of body, 19 

 Heiberg, K. A., 184 

 Herbst, C., 210 

 Hertwig, O., 88 

 Hertwig, R. (foot-note), 129, 184 



263 



Hodge, C. P., 69 

 Hogan, Louise (foot-note), 237 

 Holmes, O. W., i 

 Honey bees, 31 

 Hubrecht, 174 



Humphry, G. M. (foot-note), 10 

 Hyaloplasma, 42 

 Hyatt, A., 225 

 Hypertrophy of cells, 71 



I 



Ids, 236 



Index, mitotic, 220 

 Inhibition, 205 

 Insects, old age of, 31 

 Intestinal fermentation, 25 

 glands, 192 



Jackson, R. T., 226 

 Jaw in old age, 10 



K 



Keibel, Franz (Fig. 42), 119 



(Fig. 43), I21 

 Keller, J. (foot-note), 211 

 Kidneys, 80 



degeneration of, 80, 8 1 

 Kieffer, J. (foot-note), 10 

 Kolliker, A. (foot-note), 146 

 Korschelt, E., 170 

 Kronthal, 170 

 Kussmaul (foot-note), 237 



Lache, 178 

 Lactic acid, 27 

 Laws of age, 250 



of cytomorphosis, 249 



