xli CONTENTS 



10. The Mechanics of Motion. The System of Levers. 



11. The Joints of the Body. 



12. TTie Various Movements of the Body. 



13. The Mechanics <f Locomotion. 



14. The Mechanism of the Larynx. 



15. The Voice. 



16. Speech. 



LESSON VIII 

 SENSATIONS AND SENSORY ORGANS. Pp. 340-397 



§ 1. MoxKment the Result of Rcjiex Action. 



2. Sensations and Consciousness. 



3. The Special Senses. 



4. The General Plan of a Sense-organ. 



5. The Skin as a Sense-Orgun. 



6. The Mnscidcir Sense. 



7. T/ie Sense of Taste. 



8. The Sense of Smell. 



9. V'/ie Ear and the Sense of Hearing. 



10. Sensations governing co-ordination and equilibrium,. 



LESSON IX 

 THE ORGAN OF SIGHT. Pp. 398-436 



1. The General Structwre of the Eye. 



2. The Eye as a Water-Camera. 



3. The Mechanism of Accommodation. 



4. The Limits of Accommodation, Use of Spectacles. 



5. The Muscles of the Eyebcdl. 



6. The Protective Appendages of the Eye. 



7. The Structure of the Retina. 



8. The Sensation of Light. 



