82 



THE HOOF. 



lioof from which the internal structures have been separated. 

 In examining it, the reader is supposed to look into the cavity 



of the organ. 



-^iigaaggwjaiip-pg^i ^ 



-\ 



Fig. 8. 

 View of tJie Soof as it ajppears loJien separated from its internal 



attachments. 



aaa The Horny Crust. 



h The Coronary Concavity studded 

 with minute pores, which are the 

 commencement of the Horn Tubes, 

 of which the hoof is entirely com- 

 posed. 



c The Horny Plates, or Horny Laminaj 



of the hoof. 

 dd The Bars of the foot. 

 ee The Frog. 



gg The inner surface of the Sole. 

 / The Cleft of the Frog. 



The Hoof, or what is frequently called the crust, is too well 

 known to need any description of its form and position. If 

 it be attentively viewed by an observer standing in front of the 

 animal, he will perceive the organ to be more convex upon its 

 outer, than upon its inner side. " Once upon a time," when 

 Professor Coleman was supreme in the veterinary world, the 

 form of the foot was described as being that of half a circle. 

 All such descriptions, however, are superficial and erroneous ; for 

 if the organ was so formed, the animal during rapid motion 



