CONTENTS* 



Brain Cranial Nerves Functions of the Different Parts 

 of the Encephalon Connection of the Hemispheres with 

 the Faculties of the Mind Mental Operations required 

 in Talking Sleep Dreams Apparitions Somnambul- 

 ism The Sympathetic System Nervous Supply of the 

 Heart and Blood-vessels, - - - -193 



CHAPTER XV. 



THE SENSES. 



Common Sensation Localization of Impressions Pain Smell 

 Nasal Fossse The Olfactory Nerves Olfactory Cells 

 Taste The Tongue Taste-Cones Varieties of Tastes 

 Organ of Jacobson Vision The Eyeball Sclerotic 

 Choroid Coat Retina Lens and Humours Develop- 

 ment of the Eye Simple Forms of Eyes Sensibility of 

 Retina Spherical and Chromatic Aberration Accommo- 

 dation to Distances Muscles of the Eyeball Double 

 Vision Inversion Distance Effects of Distance on the 

 Eyes Appearance of Solidity Duration of Impressions 

 Colour-blindness Ocular Spectra Phosphenes Lach- 

 rymal Apparatus Lachrymal Gland Hearing The Ear 

 Cartilage and Muscles of External Ear The Tym- 

 panum The Tympanic Ossicles Membranous Labyrinth 

 The Cochlea Mode of Action of Internal Ear, - 218 



CHAPTER XVI. 



VOICE AND SPEECH. 



Voice Cartilages of the Larynx Vocal Cords Muscles of the 



Larynx Pitch of Voice Speech Mechanism of Speech, '267 



CHAPTER XVII. 



REPRODUCTION AND DEVELOPMENT. 



Modes of Multiplication Sex Reproduction of Lost Parts 

 The Ovum The Uterus The Ovaries The Testes 

 Spermatozoa The Embryo The Primitive Groove 

 The Chorda Dorsalis The Dorsal and Ventral Plates 

 The Cephalic Plate Development of the Vascular. Sys- 

 tem Closure of the Amnion Allantois Placenta 

 Footal Circulation Period of Gestation Milk Growth 

 after Birth Death, ' 273 



GLOSSARY, .... 303 



INDEX, - . . . . 315 



