1568 



INDEX. 



Diet, modifications of, to labour, 845 

 ,, ,, ,, to mental 'work, 



846 



"Differential capacity, extreme," 538 

 Diffusible substances, absorption of, 520 

 Diffusion, laws of, 521 



passage of gases in the tissues 



by, 526 



,, in air of lungs, 535 

 Digestion, tissues and mechanisms of, 



355525 



,, of living tissues, 420 



,, muscular mechanisms of, 



452 

 ,, effects on, of presence of 



bacteria, 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, 1543 



Digitalis, physiological action of, 676 

 Dioptric mechanisms, 1139 



,, apparatus, simple form of, 1144 

 ,, ,, imperfections in, 1185 



"Discrimination period," 1122 

 Discus proligerus, 1493 

 Distance, judgment of, 1298 

 Distension of lungs after birth, cause of, 



537 



Diuretics, their mode of action, 664, 676 

 Diurnal curves of functions, 1554 

 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, 1338 

 ejaculatorius, 1508 

 ,, venosus, foetal blood carried to 



the heart by, 1528 



,, arteriosus, foatal circulation 



through the, 1530 



,, obliteration of after 



birth, 1531 



Dudgeon's sphygmograph, 256 

 Dura mater, 1125 

 Dyspnoea, at high altitudes, 575 



Dyspnoea, nature of, 598, 600 

 cardiac, 627 

 its effect on the kidney, 661 

 ,, sweating caused by, 701 



Ear, structure, 13141317 



embryonic history of, 1314 



otic vesicle, 1315 



general relation of parts, 1315 



cochlea, 1317 



general use of parts, 1318 



tympanum, conducting apparatus 



of, 1319, 1328 

 ,, muscles of, 1332 



auditory ossicles, 1319 



,, ,, attachments of, 1325 

 Eustachian tube, 1334 

 vestibule, parts of, 1336 



perilymph cavity of, 1338 

 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 dicrot- 



ism, 269 

 ,, of lungs, amount of pressure 



exerted by, 537 



Elastin, in yellow elastic fibres, 190 

 Electric changes during muscle conti*ac- 



tion, 106 



,, ,, in a nerve impulse, 123 



,, stimuli described, 59 

 spark, vision by illumination of, 



1212 

 ,, currents, their development by 



retinal processes, 1260 

 ,, organs of certain animals, 120, 



155 



Electrotonus, features of, 128 

 Electrotonic currents, 130 

 Embryo of mammal, undifferentiated 



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, 1514 

 respiration of, 1520 

 nutrition of, 1520-1532 

 supply of oxygen to the, 1520 

 Emetics, various, action of, 462 

 Emission of semen, 1510 



,, the striated muscles con- 



cerned in, 1511 



