CONTENTS Vll 



PAGE 



CHAPTER XV THE SENSES; I. The Senses of Touch, Pain, Tem- 

 perature, and the Muscle Sense. II. Taste and Smell, The Sense of 

 Taste, The Sense of Smell. III. Hearing and Equilibration, The 

 Anatomy of the Ear, The Physiology of Hearing, The Sense of Equi- 

 librium. IV. The Sense of Sight, The Eye, The Optical Apparatus, 

 Accommodation, Defects in the Optical Apparatus, Visual Sensa- 

 tions from Excitation of the Retina, Color Sensations, Binocular 

 Vision, Visual Judgments, Laboratory Directions for Experiments 

 on the Sense Organs, ......... 595 



CHAPTER XVI THE REPRODUCTIVE ORGANS; The Reproductive 

 Organs of the Male, The Reproductive Organs of the Female, Ovu- 

 lation and Menstruation, Menstrual Life, 679 



CHAPTER XVII DEVELOPMENT; Changes which Occur in the Ovum 

 Prior to Impregnation, Changes Following Impregnation, Circula- 

 tion of Blood in the Fetus, Parturition, Lactation, . , . .691 



INDEX, 701 



