478 



INDEX. 



Movements of the petals, 343 



of the leaves, 344 



— in the animal kingdom, 



348 

 Movements, miiscnlar (Source of), 



452 

 Muscle (Is oxydised in contraction), 



355 

 Myriapods (Respiration of the), 233 

 (Nervous system of the), 



366 



N. 



NiEMATOiDS (Nervous system of the), 



364 

 Nffimathelmiuths (Circulation of the), 



194 

 Nerves (Electric currents of the), 



398 

 Nerves (Electro-tonic force of the), 



398 

 Nerves (Eegeneration of the), 400 

 vasomotory (Their iniiiience 



on nutrition), 150 

 Nodus vitalis, 254, 392 

 Notocord, 286, 328 

 Nucleus of the cell (Function of the), 



37 

 Nutriments, 154 

 Nutrition (Of), 75 

 Nutrition, vegetal, 88 



animal, 121,140 



• (Modifying agents of), 149 



Nutrition, animal (Means of), 154 



0. 



Pain (Its influence on the tempera- 

 ture), 455 



Pancreas (Functional relations of the, 

 with the spleen), 260 



Pancreatine, 189 



Pancreatic (Juice), 189 



Papillae, gustatory, 410 



Paramaecia (Digestion in the), 159 



(sexuality of the), 322 



Parthenogenesis, 311 



Pepsine, 185 



Peptogens, 185 



Peptones, 65, 133, 134 



Plasmas, 51, 55, 58 



Plasmine of the blood, 64 



Planaries (Nervous system of the), 363 



Planaries (Eyes of the), 421 



Plathelminths (Nervous system of 

 the), 363 



Pollen, 319, 331 



Principles, immediate, 14, 15 



Processes, ciliary, 425 



Proliferation, cellular (Modes of), 

 276 



Properties, vital, 30 



Proteine, 7 



Proteic (Substances), 22 



Protoplasm, vegetal, 44 



(Intracellular movements 



of the), 91 



Protozoaries (Circulation of the), 193 



Protozoaries (Respiration of the), 

 229 



Psychometer of Dr. Mosso, 436 



Pupil, 425 



OOGONB, 315 



Oosphores, 315 



Osmosis, 77 



Otoliths, 415 



Ovulum, animal (Constitution of the), 

 313, 323 



Ovulum, vegetal (Its structure), 313 



Ovulum (Evolution of the), 324 



Ovulum, male, 330 



Oxydation of the anatomical ele- 

 ments, 126 



Oxygen (Its province in animal 

 disassimilation, 139 



Q. 



QuATERNAKT (bodies), 23 



R. 



Radicals, compound, 7 

 Regeneration, 334 



■ (In the inferior ani- 

 mals), 320, 334 

 Eegeneration (Processes of), 335 

 feeble in vegetals, 336 



