INDEX 



467 



cal composition, 11-14; organ- 

 ization, 18, 19 



Lizard, dissection of, 150 



Lockjaw, 311 



Loiseleuria, 75 



Lumbricus (see Earthworm) 



Lungs, 150, 153, 161, 175 



Lyell, 410 



Lymph, 156, 163, 168, 173 



M 



Macronucleus, 40, 41, 245, 248 



Malaria, 336 



Malarial Parasite, life history, 385 



Malleus, 198 



Malpighi, 388, 389, 401 



Mammal, 117, 136; adaptive radi- 

 ation of, 313-319; brain, 189; 

 circulation, 165; copulatory 

 organs, 152; classification of, 

 416; dissection of, 152', egg of, 

 238, 239] Eutherian, 313, 416 



Mammary glands, 206 



Man, body temperature, 312; 

 digestion, 158; education, 297, 

 344; embryo, 366] inheritance 

 in, 297; skeleton, 354; skeleton 

 of arm, 352 (see Human) 



Mandible, 132, 145 



Marsilia, 106 



Mastodon, 370 



Mathews, A. P., 181, 344 



Matter, non-living and living as- 

 sociated, 7 



Maturation, 288 (see Oogenesis 

 and Spermatogenesis) 



Maxilla, 132, 145 



Maxilliped, 131, 132 



Mechanism, 257 



Medicine and biology, 381 



Medieval science, 382, 383 



Medulla, 153, 187, 189 (see Brain) 



Medusa, 218, compared with hy- 



dranth, 219 



Megasporangium, 108, 112 

 Megaspore, 106, 107, 110, 112 

 Megasporophyll, 106, 108, 112 

 Mendel, 271-274, 404, 405 

 Mendelism, 271-306; general prin- 

 ciples, 280-282; in Man, 278; 



mechanism of, 287-296, 405; 



laws rediscovered, 405; ratio, 



272 (see Monohybrid, Dihybrid, 



and Trihybrid) 

 Meristem, 77, 78, 79 

 Mesenteric artery, 164 

 Mesentery, 137, 149 

 Mesoderm, 57, 126, 215; bands, 



126] somatic, 126} splanchnic, 



126 



Mesogloea, 118, 120, 219 

 Mesohippus, 361, 362 

 Mesonephric duct, 148, 179 

 Mesoriephros, 137, 148, 179 

 Mesozoic era, 358 

 Metabolism, 15, 16, 175, 181, 307; 



animals, 39-43; Bacteria, 44- 



53; colorless plants, 44-53; 



green plants, 34-38 

 Metagenesis, 220 

 Metamere, 121-123, 190 

 Metamerism, 121, 124, 127, 130, 



191 



Metanephric duct, 179 

 Metanephros, 150, 151, 152, 153, 



179 



Metaphase, 225 

 Metaphyta, 54 

 Metaplasm, 26 

 Metazoa, 54, 116 

 Metencephalon (see Medulla) 

 Microcentrum, 319 

 Micronucleus, 40, 41, 245, 248 

 Microscope, 7; invention of, 386, 



387 



