BANDICOOT. 



(hollow) concave below for the body of the stomach- 

 and dorsally is the narrow concavity for the passage of 

 the oesophagus. The three primary divisions are defined 

 as on the diaphragmatic surface, and also the three por- 

 tions of the mesial or cystic lobe — the right and inter- 

 mediate portions being separated by the gall bladder gap 

 and the curved well defined fissure for the cystic duct. 

 The right mesial or cystic portion is the largest of the 

 three. On this surface also we see in relation to the right 

 lobe the caudate and spigelian lobes, and the former is 

 well defined, and though distinct from the right lobe is 

 attached dorsally to it, and mainlv forms the concavitv 

 for the right kidney. The spigelian lobe is small. Be- 

 tween the spigelian and caudate portions is a sharp de- 

 pression, along which pass the portal vein, artery, and 

 duct, and at the dorso-inner part of the caudate lobe is the 

 hepatic entrance of the inf. v. cava. The right lobe is 

 the smallest of the three divisions of the liver, and the 

 caudate lobe, which cannot be lifted free from it as in 

 other Marsupials, is characterized by an elongated pro- 

 jection caudally towards the right kidney. The liver in 

 the adult Bandicoot measures laterally 10 cm., and the 

 inf. v. cava is not seen in its hepatic relationship. 



103 



