INDEX. 



633 



Laws of retinal stimulation, 541. 



Laughing, 401. 



Living things, 2. 



Liring and lifeless matter, 32. 



Lymphatic system, 342. 



Lymph and chyle, 343. 



Locomotion, 610. 



Maltose, 146. 



Mammalian heart, 215, 222. 

 Man's place in animal kingdom, 36. 

 Medulla oblongata, 509. 

 Membrana tympani, 558. 

 Mesoblast, 98. 

 Metadiscoidal placenta, 84. 

 Metabolism, 21, 428. 



of liver, 428. 



of spleen, 429. 



influence of nervous system on, 

 452. 



summary of, 458. 

 Metazoa, 6, 53. 

 Milk, composition of, 2*75. 



sugar, 276. 

 Mimicry, 46. 

 Molds, 15. 

 Morphology of unicellular plants, 9. 



of protococcus, 12. 



of unicellular animals, 13. 



applied to evolution, 45. 

 Motor oculi nerve, 581. 

 Movements of digestive organs, 332. 



stomach, 336. 



lymph, 344. 

 Mucin, 146. 

 Mucor mucedo, 11. 

 Miillerian duct, 116. 

 Multicellular organisms, 23. 

 Muscular contraction, 185. 

 Muscle tone, 189. 

 Muscular work, 198. 

 Muscles of respiration, 373. 



of middle ear, 661. 

 Muscular sense, 624. 



Nasal or spheno-palatine ganglion, 



584. 

 Nature of act of secretion, 318. 

 Nerve-cells, 209. 



supply (voice), 696. 

 Nervous mechanism, 134. 



system, 208. 



inhibition, 212. 



system in relation to heart, 249. 



supply — digestion, 333. 



system in relation to respiration, 

 393. 

 Nitrogen of blood, 389. 

 Nitrogenous metabolites, 147. 



crystalline bodies, 420. 



equilibrium, 440. 

 Non-nitrogenous metabolites, 147. 



organic bodies, 420. 

 Non-crystalline bodies, 145. 

 Notochord, S9. 

 Nucleus, 5. 

 Nucleolus, 6. 

 Nuclear division, 6. 

 Nuclein,*146. 

 Nutrition of ovum, 123. 



Ocular movements, 644. 



CEstrum, 121. 



Optical imperfections of the eye, 636. 



Origin of forms of life, 42. 



of spermatozoon, 61. 



of fowl's egg, 70. 

 Organic evolution reconsidered, 137. 



food-stuffs, 144-274. 

 Otic ganglion, 585. 

 Ovulation, 120. 

 Ovum, 55. 



origin and development of, 67. 



changes in, 58. 

 Oxy-haemoglobin, 386. 



Paleontology, 46. 

 Pancreatic juice, 305. 

 Parasitic organisms, 1 5. 



