GENERAL INDEX. 



887 



Vertebral, arteries continued. 

 branches, iv 



to the prsevertebral muscles, iv. 820. 

 to spinal arteries, iv. ^1 . 

 t< cervicalis profunda, iv. 821 

 spinal arteries, iv. 821. 

 posterior, iv. 821. 

 anterior, iv. 821. 



varieties occasionally observable in the, iv. 822. 

 column, orBce of, in the progression of man, iii. 4-=>6. 

 power and resistance of each vertebra, iii. 457. 

 vertebral column of man compared with that of 



the lower animals, iv. 1296. 

 vertebral, or smaller, muscle of diaphragm, ii. 3. 

 system of muscles, iii. 511. 

 vein, iv. 815. S'22. 1406. 140**. 

 J'cr/chrata. muscular system of, iii. 541. 



nervous system of, reviewed, iii. 614. 

 J'crlct, or bregma, i. 725. See CRANU M. 

 J'ci (i^o, cause of. i. 416 ; iii. 723 C. 



production of the sense of vertigo by turning round 



quickly on one's own axis, iii. 7-3 C. 

 Veru montanum, iv. 148. 150, 151 ; iv. 1252. See Caput 



gallinaginis. 

 1'esica natatoria of fishes, i. 376. 



urinaria, i. 37'3. See BLADDER OF URINE. 

 Vesical arteries, ii. 830. . 

 fascia, i. 388. 

 plexus of nerves, s. 430. 

 veins, i. 387 ; iv. U12. 



Vesicle, germinal, of Purkinje, s. 70. [87]. [133]. 

 Vesicles or follicles, Graafian. s. 56. [M]. [*9]. See OVUM. 

 Jt'sf'co-prostatic plexus of veins, iii. 933 : iv. 1412. 

 Vest co-uterine folds, iii. 943. 

 Vesicula spermatica spuria, iv. 151. 



development of, iv. 153. 

 VEsicn A PROSTATICA, iv. 151. 1252. 1415. 

 definition, iv. 1415. 

 development, iv. 153. 

 I. ana'omy, iv. 1415. 

 Man. iv. 1-115. 



Quadrumana, iv. 1416 1428. 

 Volitantia, iv. 1417. 

 Insectivora, iv. 1417. 

 Feraj, iv. 1417. 1428. 

 Pinnipedia, iv. 1418. 

 Marsupia'.ia, iv. 1418. 

 Rodentia, iv. 1418. 



Cavia cobaya, iv. 1418. 

 Edentata, iv. 1419. 

 Pachydermata, iv. 1419. 

 Solidungula, iv. 141'J. 

 Ruminantia, iv. 1419. 

 Cetacea, iv. 1421. 

 II. physiology, iv. 1422. 

 III. morphology, iv. 1423. 

 addendum, iv. 1434. 

 VesiculcE s. cellulae ae'reae, s Malpighianse ; alveoli pulmo- 



num, Rossignol, s. v63. 

 minute anatomy, s. 270. 



epithelium "of the air-passages and cells, s. 270. 

 elastic tissue of the air-cells, s. 272. 

 VEirrL.: SEMINALES, ii. 422 ; iii. 922 ; iv. 1429. 

 definition, iv. 1429. 

 comparative anatomy, iv. 1430. 

 function, iv. 1431. 

 tenuity of the walls of, ii. 422. 

 calculi in the, iv. 86. 

 Vesicular polypi of the nose, iii. 740. 

 J'esicule copulatrice, i. 376. 

 Vet-pa crabro, or hornet, ii. 865. 

 Vtspertilionidts. See CHEIROPTERA. 

 J'fsp'-rtina. a section of the order I.epidoptera, ii. 867. 



characters of the section, ii. 867. 

 Vespittce, or hornets and wasps, habits of, ii. 865. 

 Veatibiilar artery, ii. 542. 

 J'eslibule of ear, ii. 530. 

 aqueduct of, ii. 533. 

 fenestra of, ii. 544. 

 fovea of, ii. 530. 

 nerves of, ii. 530. 

 openings into, ii. 530. 

 development and abnormal conditions of the, ii. 557, 



MB. 



office of the, in the function of hearing, ii. 567. 577. 

 Vestibule, the, atrium vaginae, iv. 1420; s. 710. 

 bulbus vestibuli, s. 71.'. 

 abnormal anatomy of the vestibule, s. 714. 

 J't'stigium foramims ovalis, ii. 580. 

 Vibratory movements of m? mbranous structures, theories 



of, iv. 1475. 

 Vibrionirl(E, a family of Parasitic animals, ii. 113. 



organisation of the, ii. 113. 

 Vibrionfdte, a family of Folygastric animals, iv. 4. 



characters of the family, iv. 4. 

 Vidian artery i 4!'0 ; ii. 556 ; iii. 733. 

 canal, i.~727 ; ii. 2*7, 283. 

 nerve, i. 727. 

 vein, i. 727. 

 nerve, ii. 287. 

 sulcus, i. 733. 

 Vicussenian valve, iii. 678. 6S6. 690. 



nW of cervix uteri, s. 639. 

 intestine, s. 350. 



epithelium of the villi, s. 351. 



basement membrane, s. 3ol. 

 blood-vessels, s. 351. 

 basis of the villus, s. 352. 

 cyloblasts or nuclei, s. 352. 

 lacteals of the villi, s. 352. 

 muscular constituent of the villi, s. 353. 

 changes in the villi during digest ion, s. 355. 

 abnormal conditions of the, 6. 412. 

 of the lacteals, i. 21. 

 placental, s. 717. 

 Vinegar, or acetic acid, considered as an article of food, 



s. 395. 



Vinegar-eel, or Anguillula aceti, ii. 113. 

 Vinous liquors, nutritive properties of, ii. 14, 15. 



basis of all vinous liquors, ii. 14. 



Viper (Coluber verus), nervous system of the, iii. 620. 

 poison-fangs of the, iv. 291. 888. 

 its mode of attack, iii. 44H. 

 Vis insita of Haller, doctrine of the, iii. 519. 



in connexion with the vis nervosa, iii. 30. 

 medicatrix naturae, theory of, iii. 145. See LIFE. 

 mortua, Haller's description of the, ii. 58. 

 nervosa, iii. 29. 720 H. See NERVOUS SYSTEM, physio. 



logy of the. 



vis insita in connexion with vis nervosa, iii. 30. 

 new laws of action of the vis nervosa, iii. 30. 

 1'iscache, anatomy of the, iv. 373, et seq. 

 Vision, phenomena of, 

 VISION, iii. 337; iv. 1436. 



Dr. Buckland on the early condition of the surface of 

 the earth and condition of the atmosphere, iv. 

 1436. 

 light, in reference to the phenomena of vision, iv. 



1436. 



opinions of the ancients, iv. 1436. 

 Newton, Huyghens, and Young, iv. 1436. 

 velocity of luminous undulations, or rapidity with 



which light travels, iv. 1436, 1437. 

 white light, composition and proportion of, accord- 

 ing to Newton and Fraiinhofer, iv, 1437. 

 colours of which the solar spectrum in reality 



consists, iv. 1437. 



calorific rays of Sir \V. Herschel, iv. 1437. 

 chemical rays of Dr. \Vollaston, iv. 1437. 



influence of the chemical rays on the vegetable 



world, actinism, iv. 1437. 



diversified colours of flowers, birds, &c., due 

 to the action of matter upon light, iv. 1437. 

 complementary colours, iv. 1438. 

 chemical, electric, and phosphorescent light, 



iv. 1438. 



transparency and opacity of bodies, iv. 1438. 

 refraction, iv. 1438. 



focus, focal distance, or focal length, iv. 1438. 

 aberration, spherical, iv. 1438. 

 chromatic, iv. 1438. 

 achromatic lenses, iv. 1438. 

 phenomena of vision, iv. 1439. 



function of the retina, iv. 1439. 

 dioptric phenomena, iv. 1440. 



vision under water, iv. 1441. 

 distinct vision, iv. 1142. 



experiment of Father Scheiner, iv. 1443. 

 optometer of Dr. Porterfieid, iv. 1443. 

 greatest distance of human vision, iv. 1443. 

 duration of impressions, iv. 1444. 

 dimensions of objects, iv. 1445. 

 apparent magnitude, iv. 1446. 

 linear magnitude, iv. 1446. 

 erect vision, iv. 1446. 

 single vision, iv. 1447. 

 adaptation to distance, iv. 1450. 

 magnifying lens, iv. 1452. 

 hypothesis of S'ngle vision, of Newton and WoU 



laston, iii. 771, 772. 



adaptation of the eye to distances, iii. 792. 

 relation of the fifth pair of nerves to the sense of, 



ii. 309. 



abnormal vision, iv. 1452. 

 achromatopsy, iv. 1452. 



relative frequency of the affection, iv. 1453. 



hereditary tendency, iv. 1453. 



influence of sex, iv". 1454. 



hypotheses, iv. 1454. 



congenital achromatopsy, iv. 1454. 



dichromatic Daltonism of Wartmann, ir. 



1434. 

 polychromatic Daltonism of Wartmann, 



iv. 1455. 

 list of the most common confusions of 



colour, 1456. 

 cases, iv. 1456, 1457. 

 non-congenital achromatopsy, iv. 1457. 

 permanent, iv. 1457. 

 temporary, iv. 145s. 

 causes of the affection, iv. 1460. 

 remedial measures, iv. 1461. 

 hypprchrpmatopsy, iv. 1461. 

 anorthopia, iv. 1462. 



