CONTENTS. XIX 



PAGE 



Dmffnation of the Gyri 500 



Table showing three ways of enumerating the arched gyri 501 



The angular gyrus 501 



The Fissural Pattern — Constant Characters 501 



List of constant fissures 501 



Variable characters of the fissural pattern 503 



List of inconstant fissures 502 



Homology of Human and Feline Fissv/res, with Difficulties 503 



Promising lines of inquiry 503 



- CHAPTER XI. 



THE CRANIAL NERVES AND THE ORGANS OF SENSE. 



Cranial Nerves — General Considerations 504 



Comparison of cranial and myelonal nerves 504 



Table of synonyms of cranial nerves 505 



Numerical designation of the cranial nerves by Willis and Summering. . 505 



Physiological arrangement of the cranial nerves 505-506 



Sensory nerves, special and general 506 



Special Consideration of the Twelve Cranial Nerves 507-510 



I'able of the Cranial Nerves, giving Fetal Origins, Foramina of Ent, Distribu- 

 tion and Function 510 



Directions for the Demonstration of the Cranial Nerves 511 



Organs of Sense 511-533 



General Considerations 511 



Skin, tongue, nose, eye, ear, general sensibility 511 



Cutis, the Skin ' 512 



Structure and function of its various parts 512 



Appendages of the skin — Hair, claws, sweat and sebaceous glands 512 



Tactile hairs 513 



Lingua, the Tongue — Uses, papillae, nerves 512-513 



Nasus, the Nose — Lining membrane, sensibility of its various parts 513 



Nares, prsenares and postnares 513 



Oculus, the Eye 514r-526 



Appendages of the Eye 514-516 



Palpebrae or lids 514 



Conjunctiva 514 



Canthi of the lids 514 



Meibomian glands 514 



Membrana nictitans — Attachment and office 515 



Lachrymal apparatus 515-530 



Muscles of the Eye 516-530 



Origins of the muscles of the eye 519 



Action of the muscles of the eye 519 



Nervous supply of the muscles 530 



Globus OcwU, Ej/eball 520-536 



How to obtain the eyeball of a cat, ox or sheep 530 



Form and parts of the eyeball 530 



