CONTENTS. 



Page 



Organ of hearing .... 506 

 External ear ; pinna . . 506 

 Meatus auditorius . . . 508 

 Tympanum .... 508 

 Ossicula auditus . . . 508 

 Muscles of the tympanum . 510 

 Internal ear Vestibule . .513 

 Semicircular canals . .514 



Organ of hearing continued. 



Cochlea . . . 



Membranous labyrinth 

 Organ of taste Tongue 

 Organ of touch Skin 

 Appendages of the skin Nails 



Hairs Sebaceous glands 



Sudoriparous glands . 



Page 



515 

 517 

 519 

 521 

 525 

 526 

 528 



