212 



Organ of Touch. 



285, The Directions of the Cleavings of the Skin. 



After C. L a 11 g c r. 



Pricks in the skin, produced by a, cylindrical instrument, for instance a 

 .shoemaker's awl, will, in most cases, immediately after the withdrawal of the 

 instrument, assume the shape of slits. These cleavings correspond to the main 

 direction of the bundles of fibroiis connective tissue of the derma. 



