CONTENTS 



Page 



Uses of the Skin 127 



Skin as a Protective Covering 127 



Skin as an Organ of Touch 127 



Skin as an Organ of Absorption - - - - - - - 12(S 



Skin as an Organ of Secretion - - - - - - - - 130 



Sebaceous Secretion - - - 131 



Appendages of the Skin 131 



Hair - - - .... 131 



Horn ....._ 132 



Diseases of the Skin 134 



Classification - - . . - - . . - . .134 

 General Observations on the Subject of Diagnosis and Treatment - 135 

 Diagrjosis .----....... 13(5 



Erythema . . . 13G 



Wheals 136 



Papules - - 137 



Vesicles ---.---.... 137 



Pustules .-.-._ 137 



Squamse I37 



Tubercula -----....... 137 



Ulcers - 137 



Excoriations 137 



Etiology - - - - 138 



Prognosis 139 



The Principles of Treatment - - • - - - . . - 140 



Eruptions of the Acute Specific Diseases - - . . . - 140 



Variola Equina or Horse-Pox - . - - . . - 1 40 



American Horse-pox - . - -142 



Eruptions due to the Contact of Irritating Agents, or to the Circula- 

 tion of Specific Poisons in the Blood - - - - - 142 



Local Inflammations - - - - . . . . - 143 



Erythema - - - - - - - - . . .144 



Purpura .-....-._.. 145 



Urticaria I45 



Catarrhal Inflammation - - - -146 



Eczema hq 



Plastic Inflammations - . .148 



Lichen 148 



Prurigo ........... 149 



Bullous Inflammation - - - 149 



Herpes . . . I49 



Suppurative Inflammations - - - - . . - - 150 



Ecthyma - 150 



Squamous Inflammations - 152 



Pityriasis -152 



Psoriasis ...... ....152 



Ichthyosis - - - - - - 153 



