238 



MR. F. E. BEDDARD ON 



[Apr. 7, 



slightly " puckered " in the same way, and posteriorly run parallel to 

 each other "like railway-lines"; hat in Bolichotis the intestine is 

 sacculated between these two bands, which causes the appearance of 

 a number of transverse ridges between them like railway-sleepers. 



The caecum has externally, as in Erethison, three longitudinal 

 bands ; its extremity' is blunt. 



The liver IS, not unlike that of the Porcupine, though the proportions 



Portion of colon and cacum of DoUcTiotis patagonica. 



a, valve of colon ; Ccbc, commencement of caecum ; ^.7., small intestine ; 

 Col., colon. 



of the lobes are a little different. The left lateral lobe is the largest ; 

 the right and left centrals are about equal to each other and to the 

 right lateral ; the lobes are not much divided, the caudate and 

 Spigelian are well-marked ; a gall-bladder, so variable in its occurrence 

 in Rodents, is present. 



The heart gives off one innominate artery. 



The lungs are made up of two lobes on the left and three on the 

 right side besides the lobus impar ; the upper lobe of the left side is 

 nearly divided into two. 



The right Icidney is a little in advance of the left, about half an 

 inch. 



The generative organs have large vesiculse seminales, each about 

 3 inches in length. 



