Subject Index 



251 



Elephants, lile-spaii, 242 

 Emphysema, 58-(>5, 00 

 antispasmodics in, 67 

 in rats, 67 

 sex distribution, (58 

 in Swiss centenarians, 16 

 Endogenous ageing, 27, oS, 54, 65, 

 243, 244 

 in fish, 28, 29 

 in tortoise, 28 

 Ephedrine in emphysema, 67 

 Epiphyses, seahng of, and matura- 

 tion, 27, 29 

 Erythema, })ahiiar, 82 

 Exogenous ageing, 12, 18, 27, 58, 54, 



65, 242 

 Expectation of life {sec also Life- 

 span), 201-202, 217 

 of birds, 4 

 and retirement, 49, 50 



Familial aspects of longevity, 288- 



241 

 Fish, elastase in, 99 



endogenous ageing in, 28, 29 



Ufe-span, 29 



usefuhiess in ageing research, 176 

 Flexure lines, 12, 13, 23, 27 

 Food intake see Nutrition 

 Force of mortality, 8, 9, 10, 12, 14 

 Freezing, skin stored by, 170 



tissue preservation, 162-169, 171, 

 172 



of whole body for preservation, 

 167-169 

 Functional reserve, 0,') 

 Functional residual capacity, age 



changes, 60 



Ganglion cells, disappearance, 49 

 Gastric ulcer, incidence in aged, 



18, 19, 20 

 Genetics, 27, 204, 238-241 

 Geographical distribution ol 

 arteriosclerosis, 24 

 of cancer, 24 

 Glucose tolerance tests in aged 

 schizophrenics, 220, 230-236, 237 

 Gonadotrophins in retarded rats, 30 

 Grafting of long-stored ovaries, 165- 

 166 



of tissues, problems, 150, 154-157 

 Grow^th hormone on life-span, 29 

 Grow^th rate in Lebistes, 29 

 and life-span, 29, 30, 195 

 specific, 6 



Guinea pigs, usefulness in ageing 

 research, 181 



Hcenialoeocciis pluvialis 187 

 Hsematopoiesis as measure of 



seiescence, 24 

 Hamsters, freezing of whole bodv, 



167-169 



usefuhiess in ageing research. IM 

 Hearing acuity, as measure of 



senescence, 6 

 Heart disease in Swiss centenarians, 



16, 17 

 Height as criterion of maturation, 

 201, 202 



nutrition and, 195-199 



racial differences in children, 201 

 Helium dilution method, (»2, 63, 



66 

 Hereditary haemorrhagic telan- 

 giectasia, 85 

 Heredity and life-span, 27, 204, 



238-241 

 Heterosis, 204, 240, 241 

 Histological tests of ageing, 24, 25, 



53 

 Homeostasis, 27 

 Homografts, 155, 166, 171 

 Hormone sensitivity of ovary, age 



changes, 142-146 

 Hybrid vigour, 204, 240, 241 



Industry, older people in, 216 



"Inevitability" of psychological age 

 changes, 213 



Infection, resistance to, as measure 

 of senescence, 6 



Injury, recurrent, 12, 13 



Insects, usefulness in ageing 

 research, 175 



Insemination, artificial, of long- 

 stored sperm, 171 



Insulin tolerance in aged schizo- 

 phrenics, 237 



"Intellect and pathological changes, 

 49 



Intelligence, decline with age, 36, 

 37, 38, 39, 52 

 tests in aged, 37, 38, 42 



Involutional melancholia, 44 



Isotopes in elastase studies, 100-101 



Keratosis, senile, 108 

 17-Ketosteroid excretion in aged 

 schizophrenics, 223-236 



