XVI CONTENTS. 



The Eye for seeing, 331 



The Ear for hearing 331 



The Tongue for tasting, 331 



The Nose for smelling, 331 



The Skin for touch, 331 



SECTION I. 



THE EYE, 331 



Division 1. Eye proper, or Ball, 331 



2. Appendages of the Eye, or Tutamina Oculi, 331 



Ball of the Eye consists of a Membranous Case and four Refracting 



Media, 332 



MEMBRANES OF THE EYE, 332 



1. Sclerotic Coat, 332 



2. Choroid, 334 



3. Retina, 339 



MEDIA OF THE EYE, 340 



1. Cornea, 340 



2. Aqueous Humor 342 



3. Crystalline Lens, 343 



4. Vitreous Humor, 345 



Summary of Blood-Vessels and Nerves of the Ball of the Eye,. . . . 346 



APPENDAGES OF THE EYE, 349 



Muscles, 349 



Rectus Superior, 349 



Rectus Inferior, 350 



Rectus Externus, 350 



Rectus Internus, 350 



Obliquus Superior, 350 



Obliquus Inferior, 351 



Levator Palpebrae Superioris and Tensor Tarsi, 351 



Nerves of the Muscles of the Eye, 352 



Eyebrows, 354 



Eyelids, 355 



Lachrymal Apparatus, 358 



1. Lachrymal Gland, 358 



2. Lachrymal Ducts,...* 359 



3. Lachrymal Sac, 359 



BLOOD-VESSELS OF THE EYE, 360 



NERVES OF THE EYE, 360 



SECTION II. 



THE EAR, 360 



External, 361 



Middle, 361 



Internal Ear, 361 



EXTERNAL EAR, 361 



1. Pinna, 361 



2. Meatus Externus, . . 361 



