187 



heaped-up epithelium. The first pouch is oesophageal in 

 origin, and the second is the true pyloric stomach. The 

 caecum (see fig. 7) is enormous; the caput caeci is coiled upon 

 itself ; and the whole organ occupies a very large proportion 

 of the lower part of the abdominal cavity. In several speci- 

 mens it was tenanted by a Cestode which is apparently an 

 undescribed species. The small intestine is relatively shorty 



Fig. 6. 



Leporillus jonesi. The stomach, showing (a) the outward 

 form, and (b) the interior with the well-marked separa- 

 tion of the two chambers. Natural size. 



and the large intestine, in addition to its great size, is rela- 

 tively long. In Rattus raftus the small gut measures some 

 f2 



