430 



INDEX. 



Diet, modifications of, to labour, 845 

 ,, ,, to mental work, 



846 



"Differential capacity, extreme," 588 

 Diffusible substances, absorption of, 520 

 Diffusion, laws of, 521 



,, passage of gases in the tissues 



by, 626 



,, in air of lungs, 535 

 Digestion, tissues and mechanisms of, 



355525 



of living tissues, 420 

 ,, muscular mechanisms of, 452 



,, effects oi), of presence of bac- 



teria, 428, 477 



main products of, 511 

 ,, course taken by products of, 



512 



,, gastric, 365 

 ,, circumstances affect- 



ing, 371 



,, ,, gross effect of, 471 



,, time needed for, 472 



,, pancreatic, 426 

 salivary, 358 

 ,, infantine, iv. 404 



Digitalis, physiological action of, 676 

 Dioptric mechanisms, iv. 1 



,, apparatus, simple form of, iv. 6 

 ,, imperfections in, iv.47 



" Discrimination period," 1122 

 Discus proligerus, iv. 355 

 Distance, judgment of, iv. 160 

 Distension of lungs after birth, cause of, 



537 



Diuretics, their mode of action, 664, 676 

 Diurnal curves of functions, iv. 416 

 Division of labour, physiological, 6 

 Dog, pancreas of, 401 



submaxillary gland of, 401 



,, nerve supply to, 397 



succus entericus of, 430 

 nerves of alimentary canal, 466 

 saliva of, 470 

 composition of haemoglobin in blood 



of, 560 



cortical motor area in, 1035 

 Dropsy, character of lymph in, 498 

 Drowning, 608 



Duct, thoracic, structure of, 482 

 Ducts, salivary, 387 



hepatic and cystic, 708 

 Ductus endolymphaticus, iv. 200 

 ,, ejaculatorius, iv. 370 

 ,, venosus, foetal blood carried to 



the heart by, iv. 390 

 arteriosus, fnetal circulation 

 through the,iv.392 

 ,, obliteration of after 



birth, iv. 393 



Dudgeon's sphygmograph, 256 

 Dura mater, 1125 

 Dyspnoea, at high altitudes, 575 

 nature of, 598, 600 



Dyspnoea, cardiac, 627 



its effect on the kidney, 661 

 ,, sweating caused by, 701 



Ear, structure, iv. 176 179 



embryonic history of, iv. 176 



otic vesicle, iv. 177 



general relation of parts, iv. 177 



cochlea, iv. 179 



general use of parts, iv. 180 



tympanum, conducting apparatus 



of, iv. 181, 190 

 ,, muscles of, iv. 194 



auditory ossicles, iv. 181 



,, attachments of,iv.l87 

 Eustachian tube, iv. 196 

 vestibule, parts of, iv. 198 



,, perilymph cavity of, iv. 



200 



of rabbit, vaso-motor control of cir- 

 culation in, 308 



Egg-albumin, coagulation of, 367 

 its conversion into acid 



albumin, 368 

 Elastic fibres in connective tissue, 189 



,, membrane of arteries, 193 

 Elasticity, diminished, in exhausted 



muscles, 149 



,, of arteries, as affecting circu- 

 lation, 212 

 ,, ,, as affecting di- 



crotism, 269 

 ,, of lungs, amount of pressure 



exerted by, 537 



Elastin, in yellow elastic fibres, 190 

 Electric changes during muscle contrac- 

 tion, 106 



,, in a nerve impulse, 123 



,, stimuli described, 59 

 spark, vision by illumination of, 



iv. 74 

 ,, currents, their development by 



retinal processes, iv. 122 

 ,, organs of certain animals, 120, 



155 



Electrotonus, features of, 128 

 Electrotonic currents, 130 

 Embryo of mammal, uudifferentiated 



protoplasm in, 36 

 ,, development of red corpuscles 



in, 37 



,, glycogen in muscles of, 101, 729 

 ,, development of adipose tissue 



in, 773 



,, ,, of nerve fibre,870 



,, of brain, 929 



growth of, iv. 376 

 respiration of, iv. 382 

 nutrition of, iv. 382394 

 ,, supply of oxygen to the, iv. 382 

 Emetics, various, action of, 462 

 Emission of semen, iv. 372 



,, ,, the striated muscles con- 



cerned in, iv. 373 



