164 MODES OF TERMINATION. 



14 Remained confined to the liver 11 of these show- 

 ed no symptoms during life ; in 9, the echino- 

 cocci were dead and undergoing fatty degenera- 

 tion. One was calcified. 



The writer has met with 10 cases of echinococci in 

 the course of his professional career ; of these 

 5 Burst into the abdominal cavity. 

 3 stomach. 

 2 base of right lung. 



PURATION OF THE 1 ' As the development of 



the echinocoof i is slow, the duration of the disease is like- 

 wise slow, and may exist for many years before they 

 cause, death, or terminate in ivi-ovcry. Frerirhs lias met 

 with a case where the di^-ase. had existed l''r about 

 seven years. Harrier, in ls-10, j^ivrs an analysis of 24 

 cases in reference to this subject: 



In 3 cases the disease lasted about 2 years. 

 8 ., 2 to 4 



,, 4 4 to 6 



And in ises the I hud existed from 1.", 



18, 20, or even "><< 



Moi.K.s nr TKKMINATIOX. The manner in which the 

 hydatids (like its duration) term: ny con- 



siderably. The hydatids not unirnjurntly nndei 

 spontaneous cure the animals die, as proved by j 

 mortem examinations, without their existence having 

 b.-en suspected durim: life. In some cases a cure 

 follows the expulsion of the cyst through the stomach, 

 intestine, \> 1Y)1K ' n i> an ^ sometimes by a direct outlet 

 through the abdominal parietes. Moreover many cases 



