Subject Index 



321 



Ide, lifespan of, 223 

 Index of cephalization, 123, 135 

 Infectious disease, in fish, 213-214 

 Insects (see also under names of species) 



ageing in, 247-268 



lifespan of, 105 



overwintering in, 232-234, 240 

 Irradiation, effect on lifespan, 19-20, 138- 

 141,282,290,292 



effect on onset of disease, 87, 88 



Jack, lifespan of, 220 



Kidney disease, in man and rat, 74-77 

 Killifish, lifespan of, 220 



Labidesthes, growth of, 156, 157, 158 

 Labidesthes sicculus, mortality rate of, 



146 

 Lagonostica senegala, lifespan of, 99 

 Lamniformes, lifespan of, 220 

 Laws of mortality, 2-5, 302-311 

 Lebistes reticulatus, effect of diet on, 169 



fecundity in, 209 



regeneration in, 208-210 

 Lepidosteiformes, lifespan of, 223, 224 

 Leucichthys kiyi, survival curves of, 143, 



145 

 Leucichthys sardinella, metabolism of, 169 



mortality rates of, 145 

 Leuresthes tenuis, survival curves of, 143 

 Lifespan, allometry of, 125 



and parental age, 21-34 



effect of brain and body weight on, 1 1 5- 

 139 



effect of diet on, 169, 249-255, 282 



effect of disease on, 72-89 



effect of egg laying on, in Drosophila, 

 275-278 



effect of environment, 167-168 



effect of growth and size on, 147-159 



effect of hibernation, 103-104 



effect of metabolism, 103-104, 124-126, 

 129, 136-137, 169-170 



effect of mitotic inhibitors, 136 



effect of parental age, 43-47, 53, 259- 

 262 



effect of radiation on, 19-20, 138-141, 

 282, 290, 292 



effect of reproduction, 179, 275-279, 

 284-285 



effect of temperature on, in Drosophila, 

 271-279, 283, 284 



effect of thyroid gland on, 137 



genetic aspects of, 33, 55, 137 



in nineteenth century, 23, 32 



mathematical basis of, 286-296 



measurement of, 133-134, 138-141 



methods of study, 21-26 



of albatross, 100, 103 



of Arabian horses, 42 



of Ardea cinerea, 99 



of bats, 103 



of bees, factors influencing, 231-246 



Lifespan 



of bison, 105 



of birds in captivity, 103 



of birds in Nature, 90-105 



of bulls, 64-65 



of Buteo buteo, 99 



of buzzards, 99 



of Capreolus capreolus, 92-94 



of caribou, 92-94 



of cat, 134 



ofcattle, 57-65, 70-71 



of Cervus elaphus, 92-94 



of Chiropodomys gliroides, 96 



of Citellus pygmaeus, 97 



of cockroaches, 253-254 



of deer, 91-94 



of Dipodomys heermani, 96 



of dog, 134 



of Drosophila subobscura, 161, 266 



of English thoroughbred horses, 35-56 



of finch, 99, 103 



offish, characteristics of long, 217-218 



offish in captivity, 212-230 



offish in Nature, 142-180 



offish, of different species, 219-224 



of flies, 105, 249-262, 287-288 



of Hafling mares, 43 



of herons, 99 



of Hokkaido ponies, 43 



of horses, 35-56, 65-69 



of houseflies, 249-262, 287-288 



sex differences in, 255-259 

 of human beings, actuarial aspects of, 



2-20 

 of humming-birds, 104 

 of insects, 105 

 of kangaroo rats, 96 

 of Lagonostica senegala, 99 

 of Lapitsa horses, 43 

 of mammals in Nature, 90-105 

 of man and woman compared, 10-11, 



16 

 of Megadyptes antipodes, 100 

 of mosquitoes, 105 

 ofmouse, 95-96, 287 

 of Myotis mystacinus, 97 

 of Odocoileus hemionus, 92-94 

 of Ovisdalli, 91-94 

 of owls, 99 

 of parent and progeny correlated, 47- 



49 

 of Par us major, 100 

 of Passer domesticus, 99 

 of Passerines, 99-100 

 of Peromyscus leucopus, 95-96 

 of rabbits, 97 

 of Rangifer articus, 92-94 

 ofrats, 95-96, 251-252 



effect of diet, 78 



effect of disease, 72-89 

 of sheep, 91-94 

 of shrews, 97 

 of sousUk, 97 

 of Sorex araneus, 97 



