482 



INDEX. 



Mendel, 218 



Meroblastic, 248 



Meropodite, 304 



Merozoites, 424 



Mesencephalon, 107 



Mesenteron, 224, 232, 250, 309, 386 



Mesentery, 5, 12 



Mesoblast, 224, 233, 252, 345 



Mesoglcea, 377 



Mesonephric duct (see also Wolffian 



duct), 189 



Mesonephros, 189, 244, 278 

 Meso-pterygium, 183 

 Mesosternum, 148 

 Metabolism, 10, 45 

 Metacarpals, 74, 149 

 Metacromipn, 73 

 Metagenesis, 39G 



Metamerism, 65, 167, 193, 237, 336 

 Metamorphosis, 245, 288 

 Metanephros, 189, 278 

 Metapleural folds, 193, 227 

 Metapophyses, 70 

 Meta-pterygium, 183 

 Metatarsals, 77, 150 

 Metatheria, 454 

 Metazoa, 45, 403, 433 

 Metencephalon, 101 

 Microgamete, 426 

 Micromeres, 371 

 Micronucleus, 401 

 Milk-teeth, 14, 268 

 Mineral salts, 13 

 Miracidium, 360 

 Molars, 14, 80, 81 

 Mollusca, 334 

 Monocystis, 413 

 Monogenea, 437 

 Monotremata, 453 

 Morphology, 10, 11 

 Morula, 262 

 Motor nerves, 91 

 Mouth, 12, 137, 139, 170, 193, 226, 



239, 309, 329, 336, 377 

 Mucin, 14 



Mucous membrane, 59 

 Miillerian duct, 244, 280 

 Muscle, 84, 225 

 Muscles Adductor, 325 



,, Cardiac, 87 



,, Extensor, 307 



,, Extrinsic, 311 



Plexor, 307 



Muscles, Intercostal, 36 



, Intrinsic, 310 



, Involuntary, 86 



, Oblique, 118 



, Papillary, 29 



, Rectus, 118 



, Respiratory, 36, 141, 175 



, Skeletal, 86 



, Sphincter, 16, 197 



, Splanchnic, 86 



, Voluntary, 86 

 Muscle-tail cells, 378 

 Mutation, 287 

 Myoccelomic pouches, 224 

 Myocyte fibrillae, 413 

 Myomere, 171, 192, 208, 237, 242 

 Myotome (see Myomere). 



NARES, 37, 77, 137, 139 

 Nasals, 81, 161 

 Natural selection, 284 

 Navel, 264 

 Neck, 3, 137 

 Nematocysts, 378 

 Nemertinea, 436 

 Nephridia, 204, 238, 331, 341, 346, 



364, 368 



Nephrostome, 204, 238, 332, 341 

 Nereis, 349 

 Nerve, Abducent, 106 



, Auditory, 108 



, Chorda tympani, 108 



, Depressor, 109 



, Facial, 107 



, Glossopharyngeal, 108 



, Great auricular, 99 



, Gustatory, 107 



, Hyomandibular, 153, 186 



, Hypoglossal, 110, 150, 153 



, Lateral, 186 



, Mandibular, 107 



, Maxillary, 107 



, Oculomotor, 106 



, Olfactory, 105 



, Ophthalmic, 107, 186 



, Optic, 105 



, Palatine, 108, 153, 186 



, Pathetic, 106 



, Phrenic, 99 



, Pneumogastric, 109 



, Recurrent laryngeal, 109 



, Spinal accessory, 110 



