MACACUS SILENUS. 13 



root of epiglottis there is a cavity that leads forwards to the space 

 between the thyroid cartilage and the os hyoides, which is largest at its 

 bottom. 



The right lung is divided into four ; the left into three lobes. The 

 contents of the thorax are as in the ass. 



The heart not so pyramidal and round as in the quadruped, not so 

 flat and obtuse as in the human. 



The stomach and intestines are very much like the human, but the 

 oesophagus below the diaphragm is rather longer and more visible ; but 

 the mesentery is thinner and the mesocolon loose, so that the colon is 

 not bound down save at the beginning of the transverse arch, and that 

 is chiefly to the duodenum. The appendix caeci is about half an inch 

 long, and is of a pyramidal figure 1 . The lymphatic glands in the 

 mesentery are very few, and are chiefly at the root of the mesentery. 



The length of the animal was 2 feet 2 inches ; the length of the small 

 intestines 7 feet 4 inches ; the length of the great intestines 1 foot 8 

 inches : which is four times the length of the animal. There were 

 valvulse conniventes, but they were very small. 



The situation of the colon is not so regular as in the human, which 

 perhaps is the reason that the epiploon is not attached to the whole 

 length of the transverse arch. The epiploon is pretty large, is attached 

 to the stomach anteriorly as usual ; but posteriorly, and on the left, to 

 the lower edge of the pancreas, and on the right to the beginning of 

 the transverse arch of the colon. 



The liver adheres to the diaphragm, as common. It is divided into 

 three lobes, besides the lobulus Spigelii. The middle lobe is the largest, 

 which is partly divided, as in the human, by the ligamentum rotundum. 

 The gall-bladder adheres to the middle lobe on the right of the ligament : 

 it has no cyst-hepatic ducts, and very little length of cystic duct. 



The kidneys are conglobate ; they have only one mammilla. 



The uterus is very like that of the human, but the angle is rather 

 more sharp. The round ligaments as they pass out of the abdomen 

 have a little sheath made up of the peritonaeum, which goes with them 

 for half an inch, and terminates in a blind end : afterwards the liga- 

 ment goes as in the human. 



The bladder is a little more pendulous than in the human, and there- 

 fore more of the shape of the quadruped. 



Upon the ossa pubis are placed two swellings, one on each side of the 

 clitoris, making a kind of prepuce. From these two there pass back- 

 wards two ridges which swell again, and make the two labia, between 



1 [Probably an example of a variety.] 



