198 



DR. P. CHALMERS MITCHELL ON THE 



caecal pouch of the kind frequent in Macropodidse, and probably 

 the remnant of the other member of an original pair. The distal 

 portion of the pendant loop then passed up towards the dorsal 

 middle line without trace of the ansa coli dextra marked C.L. 1 

 in text-figs. 6 & 8, but the proximal portion of the hind-gut 

 immediately distad of the pendant loop was thrown into a set of 



Text-fiofure 9. 



Intestinal tract of Dendrolagus ursimis. 



1. Spiral arrangement of part of the small intestines. 



Other lettering as in text-fig. 6. 



minor folds, foi-ming together an ansa coli sinistra. This was 

 supported by the mesorectum and supplied by vessels from the 

 rectal vein and artery, I found a sti'ong csecal ligament, passing 

 from the csecum to the proximal portion of Meckel's tract, and a 

 short colico-duodenal ligament from the proximal part of the 

 colic loop to the duodenal region. These contained no blood- 



