INDEX. 



651 



O'Ferrall on the tunica vaginalis oculi, 

 ii. 41 



Oil, its absorption, ii. 286 ; globules 

 of milk, 628 



Oily alimentary materials, ii. 152 



Oily matter, digestion of, ii. 208 



Olfactory, nerves, ii. 7 ; processes, or 

 lobe, 8 ; filaments, 8 ; region, 5 



Olivary columns, connexion with por- 

 tio dura, ii. 105 



Omentum, gastro, hepatic, ii. 190 



Omphalo-mesenteric duct, ii. 589, 619 



Ophidia, intestinal canal in, ii. 219 



Opium producing a polar state of the 

 cord in cold-blooded animals, i. 314 



Ophthalmic ganglion, ii. 40 



Optic nerves, effects of irritation of, 

 upon the pupil, ii. 103 ; incapacity 

 of vision at its entrance, 54 



Optic thalami, i. 276 ; functions of, 

 349 ; at centres of sensation, 349 ; 

 relation to corpora striata, 350 



Optic tracts, i.288 ; ii. 37 ; connexions 

 of, i. 354 



Optic vesicle, ii. 600 



Ora serrata, ii. 24 



Orbit, ii. 14 



Organic compounds, i. 6 



chemistry, its importance to 



physiology, i. 32 

 matter, its chemical consti- 

 tuents, i. 8 



Organized, bodies, distinctive charac- 

 ters of, i. 9 ; origin of, 10 ; and un- 

 organized bodies, 4 



Ornithorynchus, ii. 536 



Os internum, of uterus, ii. 555 



Osseous zone, ii. 75 ; labyrinth, 72 



Ossicles, of ear, ii. 70 ; action of, in 

 propagatingsound,91 ; development 

 of, 602 



Ossification of permanent teeth, ii. 180 



Ostrich, generative organs of, ii. 536 



Otic ganglion, branches of, to ear, ii. 87 



Otokonia, ii. 65, 82 



Otolithes, ii. 64, 82 ; action of, 98 



Ova, maturation of, ii. 562 



Ovary,ii.551 ; of birds, 536; of insects, 

 534 ; state of during the period of 

 heat or rut, 563 



Ovisacs, number of, in ovary, ii. 563 



Ovula Nabothi, ii. 557 



Ovum, ii. 553 ; changes in, succeeding 

 impregnation, 570 ; mammalian, 

 yolk, sac of, 619 ; human, develop- 

 ment of, 590 ; passage of, down Fal- 

 lopian tube, 564 



Owen, Professor, on the cerebral con- 

 volutions i. 281 ; on dentine, ii. 168 ; 



on parthenogenesis, 528 ; on the 



vertebrate theory, 598 

 Oxalate of lime, in urine, ii. 498 

 Oxidation, nature of process in body 



ii. 427 

 Oxygen inhaled, amount of, ii. 409 



PACCHIONIAN bodies, i. 255 



Pachydermata, intestinal canal of, ii. 

 220 ; chorion in, 612 



Paciniau corpuscles, i. 395 ; nerves of, 

 399 



Paget, Professor, on the areas of ar- 

 teries, ii. 367 ; on the arteries and 

 veins of the bat's wing, 330 ; on the 

 multiplication of blood corpuscles, 

 307 ; on the thymus, 523 



Pain, i. 388 



Pancreas, ii.458; in fishes, 218 ; effects 

 of disease of, 250 ; its office in di- 

 gestion, 246 ; development of, 607 



Pancreatic duct, point at which it 

 opens, ii. 246 



Pancreatic fluid, its action on starch, 

 ii. 242 ; its action on fat, 249 ; ab- 

 normal, 249 ; method of obtaining 

 it in quantity, 247 ; its characters, 

 247, 248 ; in birds, dogs, horses and 

 rabbits, 242, 248 



Pancreatine, ii. 248 



Panizza, on absorption by veins, ii. 

 279 ; on the glosso-pharyngeal, 118, 

 section of, i. 444; on lymphatic 

 glands, ii. 276 



Papillae, circumvallatae, i. 437 ; com- 

 pound conical, 438 ; epithelium of, 

 436 ; fungiform, 436 ; capillary ves- 

 sels of, 411 ; essential tissue of, 412; 

 of fore foot of male frog, 315 ; effects 

 of shaving off, 335 ; of skin, 410 ; 

 nerves of, 412 ; of taste, compared 

 with villi, 441 ; of teeth, ii. 174 ; of 

 tongue, hairlike, 440; theirinnuence 

 in taste, 446 ; function of, 446 



Papillary structure of tongue, i. 434 



Paralysis, of portio dura, ii. 107 ; of 

 oesophagus after section of vagus, 

 123 ; of fifth nerve, 113 ; sensation 

 in, i. 432 ; of sphincter ani, 335 ; of 

 third nerve, effects of, ii. 103 



Paraplegia, i. 313, 340 



Parenchyma of kidney, ii. 486 



Parietal sacculi, ii. 470 



Parotid glands, ii. 182 



Parovarium, ii. 554, 609 



Parrot, no lingual branch of fifth nerve 

 in, i. 443 



Parthenogenesis,. ii. 528 



Par vagum, ii. 119 



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