'66 



INDEX. 



Direction of sounds, perception of, 582 



Discus proligerus, 636 



Disdiaclasts, 397 



Distance, adaptation of eye to, 596 



of sounds, bow judged of, 583 

 Distinctness of vision, how secured, 600 



et seq. 



Divisions of functions, 12 

 Dorsal laminae, 664 

 Double hearing, 583 



vision, 620 

 Dreams, 515 



Drowning, cause of death in, 207 

 Ductless glands, 383 

 Ducts of Cuvier, 693 

 Ductus arteriosus, 691 



venosus, 693 



closure of, 692 

 Duodenum. 260 

 Duration of impressions on retina, 605 



intestinal digestion, 294 

 Duverney's glands, 640 

 Dyspnoea, 204 



E. 



Ear, 567 



bones or ossicles of, 569 



function of, 578 

 development of, 702 

 external, 568 



function of, 575 

 internal, 570 



function of, 579 

 middle, 568 



function of, 576 

 Ectopia vesicae, 381 

 Efferent nerve fibres, 458 

 vessels of kidney, 358 

 Egg-albumin, 735 

 Elastic cartilage, 42 

 fibres, 31 

 tissue, 33 

 Elastin, 32, 741 

 Elastic after vibration, 412 

 Electricity, 

 in muscle, 405 

 nerve, 427 

 retina, 609 

 Electrodes, 404 

 Electrotonus, 429 

 Elementary substances in the human 



body, 732 

 accidental, 753 



Embryo, 656 et seq. See Development. 

 Embryonic shield, 661 

 Emmet ropic eye, 600 

 Emotions, connection of, with cerebral 



hemispheres, 511 

 Emulsification, 273 

 Enamel of teeth, 225 

 Enamel organ, 226 

 End-bulbs, 463 

 End-plates, motorial, 400 



Endocardium, 102 

 Endolyniph, 570 



function of, 579 

 Endomysium, 396 

 Endoneurium, 554 

 Endosmometer, 311 

 Endothelium, 20 



distinctive characters, 20 



germinating, 21 

 Energy, 



relations of vital to physical, chap, 

 xxiv. 



daily amount expended in body, 433 

 Epencephalon, 699 

 Epiblast, 13, 661 

 Epidermis, 340 



functions of, 348 



pigment of, 341 



structure of, 340 

 Epididymis, 640 

 Epiglottis, 168 



structure. 168 

 Epirieurium, 453 

 Epithelium, 19 



air-cells, 175 



arteries, 108 



bronchi, 172 



bronchial tubes, 172 



ciliated, 25 



cogged, 28 . 



columnar, 23 



cylindrical, 23 



functions, 28 



glandular, 23 



goblet-shaped, 2i 



mucous membranes. 329 



olfactory region, 565 



secreting glands, 333 



serous membranes, 326 



spheroidal, 23 



squamous or tesselated, 20 



stratified, 27 



transitional, 26 

 Erect position of objects, perception of, 



609 



Erectile structures, circulation in, 163 

 Erection, 163 



cause of, 163 



influence of muscular tissue in, 164 



a reflex act, 489 

 Erythro-granulose, 235 

 Erythro-dextrin, 235 

 Eunuchs, voice of, 445 

 Eustachian tube, 568 



development, 702 



function of, 579 

 Eustachian valve, 97, 689, 695 

 Excreta in relation to muscular action, 



432 etseq. 

 Excretin, 747 

 Excretion, 325 

 Exercise, 



effects of. on production of carbonic 



acid, 189 

 on temperature of body, 317 



