PLATE XIV. 



HUMAN SKIN AND HAIR. 



1. A vertical section of Epidermis, Human Skin, showing the sweat-glands, surrounded 



by the fat-globules, the ducts passing upwards through the epithelial layer to the 

 external cuticle, magnified 250 diameters. 



2. A single Hair, seen near its bulbous extremity, and surrounded by involuntary 



muscular fibre. 



3. A portion of involuntary muscular fibre isolated, and magnified 350 diameters. 



