INDEX. 



799 



Direction of sounds, perception of, 



/?4; 



of vision, 657. 

 Discus proligerus, 720. 

 Disease in relation to assimilation 



and nutrition, 389. 

 in relation to heat of body, 243. 

 Diseased parts, assimilation in, 394. 

 Diseases, alteration of blood pro- 

 duced by, 389. 



maintenance of alterations by, 394. 

 reflex acts in, 508. 

 Distance, adaptation of eye to, 650- 



53- 



of sounds, how judged of, 695. 

 Distinctness of vision, how secured, 



648. 



Dormant vitality, n, 12. 

 Dorsal laminae, 744, 762. 

 Dorsum of tongue, 701. 

 Double hearing, 696. 



vision, 665. 



Dreams, phenomena of, 536. 

 Dropsy, serous fluid of, contains al- 

 bumen, 21. 



Drowning, cause of death in, 240. 

 Duct, cystic, 321, 331. 

 hepatic, 321, 326. 

 thoracic, 353, 360. 

 vitelline, 746. 

 Ductless glands, 415. 

 Ducts of glands, arrangement of, 409. 



contraction of, 412. 

 lactiferous, 785. 

 Ductus arteriosus, 771. 

 venosus, 769. 



closure of, 771. 

 Duodenum, 304. 

 Duration of impressions on retina, 



660. 



Duverney's glands, 719. 

 Dysphagia, absorption from nutri- 

 tive baths in, 441. 



E. 



Ear, 672. 

 bones or ossicles of, 675. 



function of, 686. 

 development of, 775. 

 external, 672. 



function of, 68 1. 

 internal, 676. 



function of, 690. 

 middle, 674. 



Ear, continued: 



middle, function of, 684. 

 Ectopia vesicae, observations on, 449. 

 Efferent nerve-fibres, 477. 



lymphatics, 359- 



vessels of kidney, 446. 

 Eggs as articles of food, 257. 

 Eighth cerebral nerve, 554. 

 Elastic cartilage, 50. 



coat of arteries, 144. 



fibres, 45. 



recoil of chest and lungs, 209. 



tissue, in arteries, 144. 

 in bronchi, 199. 



tissues, heat developed in, 254. 

 Elasticity, 



of arteries, 146-48. 



employed in expiration, 209. 

 Electricity, effect on nerves, 479. 

 Electro-magnetism, 



effect on arteries, 151. 

 on rigor mortis, 594. 

 on voluntary muscles, 592. 

 Elementary substances in the human 

 body, 1 6. 



accidental, 28. 



Embryo? See Development and 

 Foetus. 



formation of, 743. 



formation of blood in, 102. 

 Emission of semen a reflex act, 506. 

 Emotions, connection of with cere- 

 bral hemispheres, 534. 

 Enamel of teeth, 60, 62. 

 End-bulbs, 427, 473. 

 End-plates, motorial, 473. 

 Endolymph, 677, 679. 



function of, 690. 

 Endosmometer, 371. 

 Epidermis, 39, 422. 



development, etc. of, 385. 



functions of, 428. 



hinders absorption, 377- 



nutrition of, 390. 



pigment of, 422. 



relation to sensibility, 428. 



structure of, 30, 39, 422. 



thickening of, 423. 

 Epididymis, 732. 

 Epiglottis, 



action in swallowing, 272. 



influence of on voice, 613. 

 Epilepsy, reflex acts in, 490. 

 Epithelium, 38. 



