INTESTINAL TEACT OE MAMMALS. 



505 



Family Chiromtin^:. 



T have had no opportunity of examining the Aye-Aye, but the monographs of 

 Owen (18) and of Peters (21) give a considerable amount of information as to the 

 structure of the intestinal tract. There is a distinct duodenum ; Meckel's tract is long 



Fig. 40. 



Intestinal Tract of Ghirogaleus cocquereli. 

 Lettering as in fig. 39. 



and convoluted ; the caecum is of fair size, but is in course of degeneration, and in its 

 terminal three-quarters is much reduced in calibre. The hind-gut is very long and is 

 differentiated into a long, narrow, colic loop and a rectal portion. No clear information 

 is given as to the mesenteric veins. 



