276 



PROF. ST.-GEORGE MIVART ON THE 



[Feb. 21, 



the gut. Each consists of a little aggregation of from three to five 



crypts. 



The colon is smooth and not sacculated, save slightly at its com- 

 mencement, where one of the bands of the cseeum is continued 

 upon it. 



The cEecum is very large, and appears even yet larger than it is, 

 because the proximal end o£ the colon, I. i, is dilated into a colic 

 pouch which is 5"-3 (2y\, inches) in diameter. There is no sacculus 

 rotundus as in the Hare and Rabbit. The total length of the 



Fig. .5. 



Diaphragmatic aspect of the liver of Erethison dorsafus. 



f.lg, falciform ligaments ; Ig, ligament ; LC and LL, left central and left lateral 

 lobes ; EC and EL, right central and right lateral lobes ; S, spigelian 

 lobe ; v.c, vena cava. 



caecum, measured (as curved) along its middle is 28 inches. Its 

 breadth at the opening into it of the small intestine is 8".l {Zjo 

 inches). 



There are three longitudinal bands, one extending along the con- 

 cavity of the viscus, where the mesentery is attached, and one on 

 each side. Only one of the three bands is continued upon the 

 colon, namely the band (that on fig. 4) which extends along that side 



