XXIV CONTENTS. 



III.— OF THE LYMPHATIC SYSTEM, pp. 693-699. 



SECT. PAGE 



218. Lymphatic vessels, ....... 693 



219. Lymphatic glands, ....... 695 



IV.— OP THE BLOOD AND LYMPH, pp. 699-725. 



220. Different kinds of fluids included in those terms, and their mode of 



occurrence, ........ 699 



221. General structure of the morphological elements, . . . 700 



222. Of the blood, ........ 70.3 



223. Physiological remarks, . . . . . . 715 



OF THE HIGHER ORGANS OF SENSE, pp. 725-785. 



I.— OF THE ORGAN OF VISION, pp. 725-767. 



224. Its parts, ......... 725 



A. OF THE EYEBALL, pp. 725-757. 



225. Fibrous tunic of the eye, ...... 725 



226. Vascular tunic, ........ 733 



227. Nervous tunic, . ... . . . , 739 



228. The lens, ......... 750 



229. The vitreous humor, . . . . . . . 753 



B. ACCESSORY ORGAKS, pp. 757-760. 



230. Eyelids, conjunctiva, lachrymal apparatus, .... 757 



231. Physiological remarks, ...... 760 



II.— OF THE ORGAN OF HEARING, pp. 767-778. 



232. . . ... . . . . .767 



233. External and middle ear, . . . . . ' . 767 



234. The vestibule and semicircular canals, ..... 769 



235. Cochlea, ........ 770 



IIL— OF THE OLFACTORY ORGAN, pp. 778-785. 



236. Its parts, ......... 778 



APPENDIX. 



1. Corpuscula tacUs and Pacinian bodies, ..... 785 



2. Malpighian bodies of the spleen, . ... . . 786 



3. Corpora hitea, ........ 787 



4. Development of the teeth, ....... 789 



