INDEX. 



701 



Olfactory nerves, 489 

 Olivary bodies, 384 

 Omphalo-mesenteric vessels, 666 

 Ophthalmic ganglion, 514 

 Optic ganglia, 382, 434 

 Optic nerves, 447 



decussation of, 436,437 

 Optic thalami, 418 



development of, 638 

 Organs of special sense, 483, 489, 493, 

 507 



development of, 640 

 Organic substances, 95 



indefinite chemical composition of, 

 95 



hygroscopic properties, 97 



coagulation of, 98 



catalytic action, 98 



putrefaction, 99 



source and destination, 104 



digestion of, 141 

 Origin, of plants and animals, 527 



of infusoria, 529 



of animal and vegetable parasites, 

 532 



of encysted entozoa, 534 

 Ossification of skeleton, 642 

 Osteiue, 102 

 Otic ganglion, 515 

 Ovary, 541 



of taenia, 541 



of frog, 547 



of fowl, 551 



of human female, 553 

 Ovaries, descent of, in foetus, 661 



condition at birth, 663 

 Oviparous and viviparous animals, dis- 

 tinction between, 563 

 Oxalic acid, produced in urine, 360 

 Oxygen, absorbed in respiration, 242 



daily quantity consumed, 242 



state of solution in blood, 245 



dissolved by blood-globules, 245 



absorbed by the tissues, 248 



exhaled by plants, 260 



Palate, formation of, 653 

 Pancreatic juice, 153 



mode of obtaining, 154 



composition of, 155 



action on fat, 155 



daily quantity of, 155 

 Pancreatine, 101 



in pancreatic juice, 155 

 PANIZZA, experiment on absorption by 



bloodvessels, 165 



Paralysis, after division of anterior root 

 of spinal nerve, 402 



direct, after lateral injury of spinal 

 cord, 405 



crossed, after lateral injury of brain, 

 405 



facial, 458 



Paralysis of muscles, by sulpho-cyanide 



of potassium, 390 

 of motor nerves, by woorara, 393, 



413 

 of sensitive nerves, by strychnine, 



413 



of voluntary motion and sensation, 

 after destroying tuber annulare, 

 438 

 of pharynx and oesophagus, after 



section of pneumogastrics, 463 

 of larynx, 465, 467 

 of muscular coat of stomach, 473 

 Paraplegia, reflex action of spinal cord 



in 411 

 Parasites, 532 



conditions of development of, 533 

 mode of introduction into body, 534 

 sexless, reproduction of, 535 

 Parotid saliva, 126 

 Parturition, 633 



Par vagum, 461. See Pneumogastric 

 Patheticus nerve, 451 

 PELOUZE, composition of glycogenic mat- 

 ter, 204 



Pelvis, development of, 642 

 PEXXOCK AND MOORE, experiments on 



movements of heart, 275 

 Pepsine, 101 



in gastric juice, 139 

 Perception of sensations, after removal 



of hemispheres, 422 

 destroyed, after removal of tuber 



annulare, 438 

 Periodical ovulation, 563 

 Peristaltic motion, of stomach, 145 

 of intestine, 164 

 of oviduct, 548, 550 

 PERKINS, Maurice, composition of parotid 



saliva, 126 

 Perspiration, 330 



daily quantity of, 331 

 composition and properties of, 331 

 function, in regulating temperature, 



331 



Pettenkofer's test for bile, 185 

 Peyer's glands, 162 

 Pharynx, action of, in swallowing, 460, 



461 



formation of, 650 

 Phosphate of lime, its proportion in the 



animal tissues and fluids, 74 

 in the urine, 353 

 precipitated by alkalies, 354 

 Phosphate, triple, in putrefying urine, 



362 

 Phosphates, alkaline, 77 



in urine, 353 

 earthy, 74, 77 



in urine, 353 



of magnesia, soda, and potassa, 77 

 Phosphorus, not a proximate principle, 63 

 Physiology, definition of, 49 



