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 arid 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 



