XXX ANALYSIS OF THE LESSONS. 



LESSON XCIV. ORGANS OF VISION IN THE HIGHER ANIMALS, . . . p. 301. 

 1366. The eyes in the higher animals more complicated. 1367. Enumera- 

 tion of the tissues composing them. 1368. The sclerotica. 1369. The choroid. 

 1370. Its composition. 1371. Thetapetum. 1372. The iris. 1373. The ciliary 

 processes. 1374. The retina. 1375. The zonula ciliaris. 1376. The humors 

 of the eye. 1377. The anterior chamber. 1378. The posterior chamber. 

 1379. The crystalline humor. 1380. The vitreous humor. 1381. The sclerotic 

 coat 1382. The transparent cornea. 1383. Summary. 



LESSON XCV. THE EYES IN REPTILES, BIRDS, AND MAMMALIA, . . p. 304. 



1384. Introduction. 1385. The sclerotic in Crocodiles, Tortoises, and Tur- 

 tles. 1386. The eye of Emys Europoea described. 1387. The choroid of the 

 Snapping Turtle. 1388. The posterior portion of it. 1389. Description of its 

 vessels. 1390. The ciliary processes. 1391. The pupil of BIRDS. 1392. They 

 possess a nictitating membrane. 1393. Size of the eyes in the Ruminantia and 

 other mammals. 1394. Affinities of visual organs. 1395. The eye in the Cetacea. 

 1396. The eye in the Ruminant. 1397. Peculiarities of structure. 1398. Func- 

 tion of the ciliary processes in general. 1399. Their function in the Ruminant. 



LESSON XCVI. THE EYES IN MAMMALIA, CONTINUED, AND IN MAN, . p. 307. 



1400. Ciliary processes in the Feline animals. 1401. In the Cat. 1402. The 

 venae vorticosae of the Dog. 1403. The human eye. 1404. The eye-balls. 

 1406. Demonstration. 1406. How the ciliary processes may be seen. 1407. 

 Further demonstration. 1408. The arteria centralis retina. 1409. The forma- 

 tion of the crystalline lens. 1410. The anterior capsule of the lens. 1411. 

 Sometimes called " membrana pupillaris." 1412. The posterior capsule. 1413. 

 Demonstration of it. 1414. The vessels become absorbed. 1415. The tarsal 

 cartilages. 1416. The Meibomian glands. 1417. Nature of their secretion. 

 1418. Conclusion. 



