INTESTINAL DIGESTION. 



235 



The small intestine, B B B, is attached to the free margin 

 f a peritoneal fold, and within the latter the large intestine 

 v colon coils being only free at its blind head or ececurn, E, 

 nd at the end, H, or rectum. 



Fig. !. 



In the dog there is but slight difference in the size of the 

 irge and small intestine, and they are distinguished where 

 bey merge into each other by a very small coecum. 



The foregoing technical descriptions of the intestinal canal 

 .ave appeared to me necessary, in order that many of the 

 bservations may be understood in treating of the functions 

 nd diseases of this region. 



The mucous membrane with its numerous glands, yields 

 n abundant secretion, which has been studied in the horse, 

 rith great care, by M. Colin. 



