696 
Membranes, embryonic, of birds, 72. 
foetal of mammal, 76. 
Menstruation, 113. 
Meroblastic, 70. 
Mesoblast, 93. 
Mesonephros, 106. 
Metanephros, 106. 
Metabolism, the, of the body, 481. 
of the liver, 432. 
of the spleen, 436. 
in formation of urea, uric acid, hippu- 
ric acid, etc., 446. 
-proteid, 455. 
influence of nervous system on, 471. 
summary of, 476, 
Metazoa, 5. 
Methemoglobin, 389, 
Micturition, 430. 
pathological, 430. 
Middle ear, muscles of, 608. 
Milk, proteids of, 291. 
fats, 292. 
sugar of, 292, 679. 
salts, 292. 
Minimal stimulus, 185. 
Misconceptions as to comparative size, 
etc., of objects, 590. 
Moist chamber, 176. 
Morphology, definition of, 1. 
Motor area, 525. 
Movements, cardiac, 232. 
ciliary, 168. 
stomach, 335. 
intestinal, 337. 
digestive organs, 381. 
ocular, 592. - 
Mucin, 327, 677. 
Mucor mucedo, 15. 
Mucigen, 327. 
Miillerian duct, 108. 
Multicellular organism, 22. 
Munk, experiments of, 524. 
Muscle, 167. 
irritability of, 169. 
curve, 180. 
changes in, during contraction, 186. 
elasticity of, 187. 
electrical phenomena of, 188. 
electrical currents in, 190. 
chemical changes in, 192. 
dead, constituents of, 194. 
thermal changes in contracting, 195. 
ANIMAL. PHYSIOLOGY. 
Muscle, unstriped, 204. 
comparative, 205, 
Muscles of respiration, 372. 
of middle ear, 608. 
Muscular note, 184. 
work, 199. 
sense, 557. 
energy, sources of, 461. 
Mydriasis, 572. 
Myosis, 571. 
Myograph, pendulum, 179. 
Myosin, 198, 674. 
Nerve-supply, 648. 
Nerves, the physiology of, 197. 
clinical and pathological, 198. 
irritability of, 169. 
afferent and efferent, 482. 
cerebro-spinal, 626. 
third, fourth, etc., 628, 629. 
Nervous system, 210. 
in relation to the heart, 261. 
relation to respiration, 393. 
man, 666. 
Nervous supply, muscles of mastication, 
332. 
Nervous mechanism in the sexual act, 
124. 
Neurin, 683. 
Neuralgia, 517. 
Neutral fats, 681. 
Nitrogenous metabolites, 140, 686. 
equilibrium, 456. 
fats, complex, 683. 
Non-erystalline bodies, 677. 
Non-crystalline bodies, certain, 138. 
Non-nitrogenous metabolites, 141. 
Note, the muscular, 184, 
Nucleus, 5. 
Nucleolus, 5. 
Nuclein, 678. 
Objects, estimation of size and distance, 
590. 
Observation, direct method of, 141. 
graphic method of, 143. 
summary of methods of, 147. 
Ocular movements, 592. 
Old age, 667. 
Oligemia, 164. 
- Oncograph, 438. 
Odsperm, the, 62. 
