PLATE XVI, 



View of the hoof from its inferior face. 



P. The wall. 



S. The sole. 



L. The frog. 



A. Line indicating the commissure of the sole and the wall, known 



as the linea alba, or white line. 



B. Angle of inflection of wall of the heels (buttress). 



C. Superior border of buttress. 



D. Region of the heels of the foot within the angle known as seat 



of corn. 



E. Inferior border of the bars, 



F. External face of the bars lining the lateral lacunae of the frog. 



G. Glomes of the frog, or bulbs of the heels. 



H. Terminal extremity of the bars at the sides of the frog 



I. Point of the frog. 



K. Branches of the frog. 



M. Regions of the mamellas of the hoof. 



P, Region of the toe of the hoof. 



Q. Median lacuna of the frog. 



U. Region of the quarters. 



