CONTENTS. xxxix 



CHAPTER VI. 

 ON CUTANEOUS AND SOME OTHER SENSATIONS. 



SECTION I. 

 THE GENERAL FEATURES OF CUTANEOUS SENSATIONS. 



PAGE 



644. Three kinds of cutaneous sensations, of pressure, of heat and cold, 



and of pain 1037 



Tactile Sensations or Sensations of Pressure. 



645. The general characters of tactile sensations . . . . . 1037 

 646. The localisation of tactile sensations 1039 



Sensations of Heat and Cold. 



647. Sensations of heat and cold due to sudden changes in the tem- 

 perature of the skin . 1041 



648. The general characters of temperature sensations .... 1042 

 649. Tactile and temperature sensations in parts other than the external 



skin 1043 



SECTION II. 

 ON PAINFUL AND SOME OTHER KINDS OF SENSATION. 



650. Sensations of pain distinct from other sensations .... 1044 



651. Sensations of pain are extreme degrees of common sensibility . 1044 



652. Special nerve endings not necessary for sensations of pain . . 1047 



653. Hunger and thirst 1048 



SECTION III. 

 ON THE MODE OF DEVELOPMENT OF CUTANEOUS SENSATIONS. 



654. The specific energy of nerves. Special terminal organs necessary 

 for the sensations of touch and temperature as distinguished 

 from sensations of pain 1051 



655. The terminal organs for sensations of pressure different from those 



for sensations of temperature 1054 



656. The terminal organs for sensations of heat different from those 



for sensations of cold 1055 



657. The importance of contrast in cutaneous sensations . . . 1056 



658. The nature of the terminal organs 1057 



