498 



INDEX. 



Male milk-glands, ii. 204 



phallus (Penis), ii. 423 



sexual organs, ii. 431 



sexual plate, ii. 401 



—  — uterus, ii. 419 



Malpighi, i. 31 



Malthus, i. 98 



Zfamilla, ii. 204 



Mamma, Ii. 204 



Mammalia, ii. 141, ]87 



Mammals, egg- cleavage of, i. 210 



gastrula of, i. 213 



mental capacities of, ii. 



448 

 Man-apes, ii. 178 

 Mantle animals, ii. 83 

 Marsujpohranchii, ii. 104 

 Marswpialia, ii. 149, 187 

 Martins, Charles, ii. 304 

 Mateiialism, ii. 456 

 Maternal placenta, ii. 160 

 Matter, ii. 457 

 Mechanism in nature, i. 80 

 Meckel's cartilage, ii. 29S 

 }Iedulla, ii. 211, 232 



capitis, ii. 211 



centralis, ii. 211 



oblongata, ii. 211 



spinalis, ii. 211 



Medullary furrow, i. 302 



membranes, ii. 228 



plate, i. 3:^7 



swellings, i. 303 



tube, i. 305 



M€7iinges, 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 



Metagastrvda, i. 199 



Metamera, i. 346 



.Metauieric structure, i. 347 



Metanephra, ii. 412 



Melatarsus,u. 278, 304 



Metazoa (intestinal animals), i. 248 ; 



ii. 92 

 A1 icrolestes, 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 



Miijration, 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 

 Monera, i. 180; ii. 43 

 Monerula, i. 179 



Monistic philosophy, i. 16; ii. 456 

 Monocondyles, ii. 138 

 Monodelphia, ii. 151, 187 

 Monogeny, i. 160 

 Monophyletic origin, ii. 277 

 Munorhina, ii. 101, 120 

 Monotrema, ii. 145, 187 

 Monstrous evolution, i. 168 

 Morphogeny, i. 21, 21 

 Morphology, i. 21 

 Morphophyly, i. 24 

 Morula, i. 189 

 Motor appai-atus, ii. 194, 274 



gex-minative layer, i. 330 



Mouth, i. 338; ii. 315", 330 



cavity, ii. 315, 330 



groove, i. 338 



Mud-fishes, ii. 115, 120 

 Mulberry -germ, i. 189 

 Miiller, Fritz, i. 59, 408 

 Hermann, i. 170 



Johannes, i. 59 ; ii. 96, 414 



Miillerian 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 



