THE CVSTIC EXTOZO.U 503 



IV. sriiAiuiDiON (mihi.) 



S. Aniiiiiil enclosed within a cyst which is cuuii)used of two 

 membranes. Sac single, containing the pedicle or reproductive 

 body in its centre, and presenting a number of concentric 

 coloured rings. Hub. Peritoneum of Crested Balearic Crane. 



V. C.ENURUS RUDOLPH r. 



Sac double, armed with numerous clusters of toothed 

 pedicles. Epithelial cells in the sac. Genninal cells in the 

 pedicles. Buried. 



6. — Ccenurus Jiepaticics {Mihi). 



Sac botryoidal, 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. cerehralis {Ricdoljihi). 



Sac globular, transparent, thin, jK?dicles with four or five acefcibula. 

 Teeth thirteen, about three times as long as the breadth of the disc fiom 

 wliich they arise. Infests the brain of sheep and other ruminants. 



VI. CYSTICERCUS. 



Animal enclosed within a cyst p^o^-ided with a single pedicle. 



1. Cyst formed from the infested animal. 



8. — C. neglcctus {Jifihi). 



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

 the length of sac, head rouudeil, teeth twenty-one in number, very long, 

 slender, and bent at the extremity, barbed on bent cilgc. ffab. unknown. 



2. Cyst formed by j^arasite, as well as from textures of 



nfested being. 



9,—C. ratUts {Mihi). 



Cyst small, globular, and traiisi«areut jR-dicle, not ver)- long, teeth short, 

 8ickle-shai>eil, being curved tliroughout their whole length. 



Ml. LLULNOCOCCUS. 



11. 1>. S. G. 



