478 



DR. P. CHALMERS MITCHELL ON THE 



mesentery of Meckel's tract and receives a very large factor from the caecum. More 

 proximally it is joined by a large vessel (represented in fig. 23 as cut across at Xs) 

 from the colic loop and by the posterior mesenteric vessel. 



Family RhinocerotiD;E. Rhinoceros unicornis (fig. 24). 

 I had the opportunity of examining the intestinal tract of the large Indian 

 Rhinoceros which died in 1904 after having lived many years in the Gardens. As in 



Fig. 24. 



Intestinal Tract of Rhinoceros unicornis. 

 Lettering as in fig. 23. 



many large Mammals, the length of the gut is small in proportion to the size of the 

 animal. There is no distinct duodenal loop Meckel's tract is relatively simple, 

 consisting of a number of simple minor loops at the periphery of an elongated 

 expanse of mesentery. The crecum is short, but very wide and capacious. The 

 hind-gut repeats the pattern described in the Tapir, consisting of a very long and 



