BILIARY CALCULI. 



319 



Echinococcus veterinorum, a hydatid, which may be found in 

 any of the internal organs, also frequently infests the liver. 



BILIAEY CALCULI. 



Gall-stones are very commonly met with in the ducts of 

 the liver. They vary in size from a pin's head to a pigeon's 

 egg. I have only seen one as large as the latter, and that 

 from a horse. Sometimes a deposit forms on the inside of 



Fig. 108. 



