104 



SCIENCE r/UMERS. 



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Fig. JS.-Section of Skin, highly magnified. 



a, homy epidermis ; 3, softer layer, c, dermis ; d, lowermost vertical layer of 

 epidermic cells ; e, cells lining the sweat duct continuous with epidermic 

 cells ;^ h, corkscrew canal of sweat duct. To the right of the sweat duct the 

 dermis is raised into a papilla, in which the small artery, /, breaks up into 

 capillaries, ultimately forming the veins, g. 



