434 



INDEX 



Loeb, 63 



on geotropism, 66 



on skin transplantation, 403 

 Longevity, 414 

 Lungs, development of, 144 



regeneration of, 386 



M 



McCALLUM on grafting, 411 



MacCallum on malarial para- 

 site, 328 



Macronucleus, 97 



Macrophages, 358 



Magosphsera planula, 114 



Malarial parasite, 328 



Mai de caderas, 314 



Malformations, 220 



Mallophoga, 312 



Malthus on evolution, 260 



Mastigophora, parasitism of, 

 308 



Maupas, 170 



Maximum temperature, 39 



Man, effect of light on skin of, 



59 

 effect of temperature on, 40 



Mange, 321 



Manifestations of life, 34 



Mann, Gustav, 84 



Manson on malarial parasite, 

 328 



Manubrium of Obelia, 130 



Mechanical stimulation, re- 

 sponse to, 43 



Medusa of Obelia, 182 



Megastoma entericum, 308 



Meissner's corpuscles, 158, 160 



Mendel, Gregor Johann, 241 



Mendel's law, 244 



Menopause, 419 



Meroblastic egg, 198 



Meseuchyme, 119 



Mesoblast, 204 

 Mesoderm, 207 

 Metabolism, 81 

 Metagenesis, 183 

 Metaphyta, 92 

 Metazoa, 92 

 Metchnikoff on old age, 416 



on phagocytosis, 355 

 Micella?, 233 

 Microcytase, 358 

 Microgromia socialis, 113 

 Micronucleus, 97 

 Micro-organisms. See Bacteria. 

 Microparasites. See Bacteria. 

 Microphages, 358 

 Mimosa, 36 



conductivity in, 69 



effect of light on, 56 



mechanical stimulation, 43 



thermal irritability of, 42 

 Minimum temperature, 39 

 Minot, 217 



on senescence, 416 

 Mistletoe, 306 

 Mites, 320 



Mitosch on grafting, 411 

 Moisture, influence of, 50 

 Molecular death, 422 

 Monads, 190 



Monogenetic reproduction, 167 

 Monsters, formation of, 221 

 Montague, Lady Mary Wortley, 



361 

 Morgan on regeneration, 375, 



376 



Morphalaxis, 375 

 Morris on grafting, 399 

 Morula, 202 

 Mosquitos, 315 



parasitism of, 302 

 Mother star, 103 

 Motion, 71 



