498 



INDEX. 



Male milk-glands, ii. 204 



phallus (Penis), ii. 423 



sexual organs, ii. 431 



sexual plate, ii. 401 



r ntei'QS, ii. 419 



Malpighi, i. 31 



Malthus, i. 98 



Mamilla, ii. 204 



Mamina, Ii. 204 



Mammalia, ii. 141, 387 



Mammals, egg-cleavage of, i. 210 



gastrula of, i. 213 



mental capacities of, ii. 



448 

 Man-apes, ii. 178 

 Mantle animals, ii. 83 

 Marsupohranchii, ii. 104 

 Marsupialia, ii. 149, 187 

 Martins, Charles, ii. 304 

 Materialism, ii. 456 

 Maternal placenta, ii. 160 

 Matter, ii. 457 

 Mechanism in nature, i. 80 

 Meckel's cartilage, ii. 298 

 Medulla, ii. 211, 232 



capitis, ii. 211 



■ centralis, ii. 211 



ohlongata, ii. 211 



spinalis, ii. 211 



Medullary furrow, i. 302 



membranes, ii. 228 



plate, i. 327 



swellings, i. 803 



tube, i. 305 



Meninges, ii. 228, 232 

 Meroblastic eggs, 216 

 Merogastrula, i. 241 

 Mesentery, ii. 320 

 Mesoderma, i. 236, 278 

 Mesolithic epoch, ii. 14, 19 

 Mesozoic periods, ii. 12, 14 

 Metacarpus, ii. 278, 304 

 Metagaster, ii. 321 

 Metagastrula, i. 199 

 Metamera, i. 346 

 Metameric structure, i. 347 

 Metanephra, ii. 412 

 Melutarsus,ii. 278, 304 



Metazoa (intestinal animals), i. 248 ; 



ii. 92 

 ilicrolestes, ii. 149 

 Mid-brain, ii. 221, 232 



Middle germ-layer, i. 278 



intestine, ii. 330 



— layers, i. 278 



part of foot, ii. 278, 304 



hand, ii. 278, 304 



Migration, theory of, i. 114 

 Milk, ii. 202 



glands, ii. 143, 202 



Mind, ii. 226, 447 



activity of, ii. 210 



cells of, i. 129 



— development of, ii. 450 



heredity of, ii. 452 



Mollusca, ii. 92, 94 

 Monads, i. 39 

 Mouera, i. 180; ii. 43 

 Monerula, i. 179 



Monistic philosophy, i. 16; ii. 450 

 Monocondyles, ii. 138 

 Monodelphia, ii. 151, 187 

 Monogeny, i. 160 

 Monophyletic oifigin, ii. 277 

 Munorhina, ii. 101, 120 

 Monotrema, ii. 145, 187 

 Monstrous evolution, i. 168 

 Morphogeny, i. 21, 24r 

 Morphology, i. 21 

 Morphophyly, i. 24 

 Morula, i. 189 

 Motor apparatus, ii. 194, 274 



germinative layer, i. 330 



Mouth, i. 338 ; ii. 315, 330 



cavity, ii. 315, 330 



groove, i. 338 



Mad-fishes, ii. 115, 120 

 Mulberry -germ, i. 189 

 Mailer, Fritz, i. 59, 408 



Hermann, i. 170 



Johannes, i. 59; ii. 96, 414 



MuUerian duct, ii. 414, 431 

 Muscles, i. 259 ; ii. 364 

 Muscle-plate, i. 353 



system, ii. 308 



Myxinoides, ii. 101, 120 



N 



Nails, ii. 204, 232 



Natural history of creation, i. 103 



philosophy, i. 82 



Navel, i. 315, 335 



