SECTION II. 



ON THE NAMES AND USES OF THE VARIOUS PARTS WHICH ENTER INTO 

 THE FORMATION OF THE FOOT. 



T3EF0RE the reader can understand the uses of a thing, it is 

 first necessary he should know what the thing is. The 

 figure in Plate II. will illustrate the two essentials in question ; and 

 a careful attention on the part of the reader to the details will 

 enable him to thoroughly comprehend the nature of the matter in 

 hand. 



Plate II. 



Plate II., Fig. i, represents a front view of the hoof, includ- 

 ing the coronary frog band and its epithelial or siliceous covering. 

 The frog band is coloured green. The diamond figures repre- 

 sent the epithelial cells or scales which exist upon the surface 

 of the wall. 



I. The Coronary Frog Band. — This is a substance peculiar in 

 its nature ; it is about one inch in width, and extends from the 

 frog (Fig. 7 7, Plate II.) around the coronary border, forming the 

 junction between the hoof below and the skin above (Fig. 12, 



