274 



INDEX 



Quaker records, 171, 173 



Rat, 61, 212, 213, 218 



Paralysis, 231, 232 



Paramccium, 30-32, 35, 40, 72 



Parental correlations, 171, 172, 174, Rabbit, 68 



176 

 Parents and offspring, duration of Ratio > death-birth, 243-246 



life of, 155-157 Rav > L - A -> 69 > 70 > 220 > 221 > 266 



longevity of, 158, 160 Reed > L - J -> 247 ' 249 > 266 

 Paris, 202-206 

 Parr, T., 24 



Parthenogenesis, artificial, 51-58, 223 Reproduction, organic, 33, 41 

 Pascal, 82 bv budding, 37 



Pearl, R., 106, 201, 225, 249, 265 bv fission, 32, 33, 41 



Pearson, K., 19, 87-91, 93-101, 166, clonal, 37 



sexual, 37-40, 41 



Reptile, longevity of, 22 

 Respiratory system, 107, 108, 110, 



Registration Area, U. S., 106, 108, 

 109, 139, 140, 164, 229, 245, 246 



169-177, 179, 182, 183, 225, 229, 



238, 259, 266 

 Peerage, 167, 169, 172 

 Pennaria, 62 



112, 119, 120, 136, 137 



Physical characters, inheritance of, Results, summary of, 223-227 



174, 175 



Pituitary gland, 220-222 

 Pixell-Goodrich, Mrs., 28 

 Planaria dorotocephala, 34, 35 

 Plants, senility in, 44 



Richards, H. A., 86, 87, 266 

 Ritter, W. E., 75, 266 

 Robertson, T. B., 69, 70, 220, 221, 266 

 Rockefeller Foundation, 238 

 Institute, 52, 61 



Ploetz, A., 178, 179, 182, 183, 225, R6 i e o f bacteria in duration of life, 



266 



Population, 240-258 

 Potassium cyanide, 53, 54 

 Poverty, 202-208 

 Premature birth, 121, 123 

 Preventability of diseases, 162 

 Pritchett, A. S., 247, 266 



Progress, evolutionary, in longevity, R O undworm, 39 



43, 199-202 

 Roman Africa, expectation of life 



in, 92 



Rome, expectation of life in, 90-92 

 Romeis, B., 219, 266 

 Rose, W., 238, 239, 241, 266 

 Roumania, 235 



87-94 



Prolonging life, 17, 54, 218, 221 

 Prostate, 126, 219 

 Protozoa, 30-33, 40, 41, 46 



Royal families, 177 



Rubner, M., 213, 214, 226, 267 



Saleeby, 183 



immortality of. 30-33, 41, Sanitation, 227, 235 

 64, 71 Sao Paulo, 106, 108-111, 139, 140 



Sea urchin, 52, 54, 57 

 Selection, effect of, on expectation of 



life, 94 



Selective death rate, 177-185 

 Seneca, 102 



Prussia, 244, 245 



Puberty glands, 217-219 



Public health work, effects of, 112, 



227-242 

 Purulent infection, 231, 232 



