CONTENTS 



CHAPTER PAGE 



I. NATURE OF SENSE ORGANS 13 



II. ANATOMY OF THE OLFACTORY ORGAN 23 



III. PHYSIOLOGY OF OLFACTION 42 



IV. VOMERO-NASAL ORGAN OR ORGAN OF JACOBSON 92 



V. THE COMMON CHEMICAL SENSE 102 



VI. ANATOMY OF THE GUSTATORY ORGAN 110 



VII. PHYSIOLOGY OF GUSTATION 132 



VIII. INTERRELATION OF THE CHEMICAL SENSES 167 



INDEX . . 187 



