OF THE CYSTIC KXTOZOA. 103 



V. C^ENURUS RUDOLPHI. 



Sac double, armed with numerous clusters of toothed pedicles. 

 Epithelial cells in the sac. Germinal cells in the pedicles. Buried. 



6. Ctmurus Hepaticus (Mihi). 



Sac botiyoidal, opaque and thick ; pedicles internal, small, suckers obsolete ; teeth barbless, 

 small, irregularly bent, and forming one irregular series. Gregarious. Infests the liver of man. 



7. C. Cerebralis (Rudolphi). 



Sac globular, transparent, thin, pedicles with four or five acetabula. Teeth thirteen, 

 about three times as long as the breadth of the disc from which they arise. Infests the 

 brain of sheep and other ruminants. 



VI. CYSTICERC US. 



Animal enclosed within a cyst provided with a single pedicle. 



1. Cyst formed from the infested animal. 



8. C. Neglectus (Mihi). 



Cyst formed from omentum of infested animal. Pedicle about three times the length 

 of sac, head rounded, teeth twenty-one in number, very long, slender, and bent at the extre- 

 mity, barbed on bent edge. Hab. unknown. 



2. Cyst formed by parasite, as well as from textures of infested being. 



9. 6'. Eattm (Mihi). 



Cyst small, globular, and transparent pedicle, not very long, teeth short, sickle-shaped, 

 being cun r ed throughout their whole length. 



VII. ECHINOCOCH US. 



H. D. S. G. 



