PENELOPE CRISTATA. 293 



longer, about 3 inches in its fold or doubling. It now makes a sweep 

 backwards on the right, where it receives the ducts of the liver. After 

 it has made this last turn it becomes a loose intestine, which is only 

 attached to the mesentery behind the duodenum and stomach, to which 

 it is attached near the beginning and end of the duodenum, likewise to 

 the upper end of the pancreas that is between them. From thence the 

 gut passes upwards behind the gizzard, as also behind the root of the 

 mesentery, to which it is attached pretty firmly, and then begins to 

 make a turn downwards, where it is joined by the two caeca, which are 

 slender and hardly 3 inches in length 1 . These three guts pass a little 

 way down, and, where all three join, the rectum commences, and passes 

 straight on to the anus. 



The distribution of all these parts is exactly similar to that in the 

 common fowl. The caeca were filled with a mucus as dark as ink, 

 about the consistence of thick cream : there was none of it in the 

 rectum nor in the other intestine : this must have been secreted in the 

 caeca, but for what purpose I cannot say. 



All these intestines, excepting the caeca, are larger than is commonly 

 to be found in such a sized bird. The mesentery is more loaded with 

 fat than is commonly to be found in birds. In the second guan bird 

 there was no fat; the mesenteric vessels, contrary to those of the 

 human or quadruped, pass down upon the left mesentery. The intes- 

 tine is rather shorter than is commonly to be found in birds : the 

 whole intestines were not much more than four times the length of the 

 body ; and twice the length from head to foot. The testicles are very 

 small and black. There is but one penis, which is pretty long, of a 

 pyramidal figure, somewhat flattened, a good deal the shape of the 

 tongue, but more pointed ; it is bent inwards towards the gut, and upon 

 the external or convex side there are little protuberances whose apices 

 are turned towards the base, something like those upon the tongue of a 

 lion. The situation of this penis is just upon the inside of the verge of 

 the anus, adhering as it were to the valvular part. This bird has 

 nothing of the granivorous kind belonging to it, except the bill ; for its 

 oesophagus is large and has no crop ; its stomach is not of the grani- 

 vorous kind ; its caeca are not so long as those of the granivorous : its 

 talons are considerably longer : its flesh is solid and red : it has very 

 black eyes, &e. 



The ducts of the liver I could not examine perfectly, as I had previ- 

 ously cut off the liver. I found a hepatic duct and a cystic duct, but 

 could not find a hepato-cystic duct, and the hepatic and cystic duets 



[Hunt. Preps. Phys. Series, Nos. 687, 688.] 



