1908.] 



ANTECHINOMYS AND OTHER MARSUPIALS. 



563 



Mr. Alston's figure of the liver of Antechinomys does not agree 

 entirely with the appearances which I have observed, and the 

 desci-iption which he gives is very brief. I find (text-fig. 112) no 

 Spigelian lobe, but the caudate lobe is deeply bifid and largely covers 

 the right kidney. The gall-bladder, which Alston has correctly 

 stated to be present, appears to me to occupy an unusual position. 

 Instead of lying in a cleft in the middle of the right central 

 lobe, as is at any rate often the case among mammals, it lies, as in 

 some other Marsupials*, to the median side of the right central 

 lobe almost between it and the left central. I did not find the 

 right lateral lobe quite so large as Alston has figured it. It is 

 closely fitted to the caudate. The liver " formida " of this 

 Marsupial seems to me to be fairly accurately expressible as 

 follows :— viz., LLi > LO = RC > RL = Ca. 



-LX. 



Liver of Anteeliinomys laniger, abdominal aspect. 



Ca. Caudate lobe. q.h. Gall-bladder. i.C Left central lobe. L.L. Left lateral 

 lobe. B.C. Rio-ht central lobe. B.L. Right lateral lobe. 



The sj)leen is of large size and shows no indication of a 

 triradiate form ; it is wider at the duodenal end and narrower 

 at the opposite extremity. The wide extremity of the spleen is 

 mai'ked by two parallel longitudinal furrows which divide ujj 

 this exti^emity into several finger-shaped lobes not detached from 

 each other. 



The pancreas is very difi'use and scattered, consisting of 

 numerous small lobules ; it forms a more or less continuous 

 mass which lies partly in the mesoduodenum and partly in the 

 splenic omentum. It reaches also to the other side of the 

 stomach and a piece of it lies to the left of the cystic duct between 

 that duct and the duodenal end of the stomach. 



The omentum (text-fig. Ill, 0) is very short and ends in 

 pulled out ragged edges as is shown in the drawing. It is 



* E.g. Dendrolaffv.s and Petrogale, Beddard, P. Z.S. 1895, p. 131. 



