III. SPECIES. CYATHOCRINITES RUGOStiS. 



RUGGED, CUP-LIKE, LILY-SHAPED ANIMAL. 



Specific Character. 



A Crinoidal animal, having a column formed of numerous joints articulating 

 by striated surfaces. The different plates forming the cup-like portion sur- 

 mounting the first columnar joint, externally ornamented with deep, rugged, 

 angular strias. The base formed of numerous muscular fibres. 



Reference and Synonymts. 

 KNORR. Supl. 7. c. fig. 5. 



PARKINSON'S Org. Remains, VOL. n. 1. 15. fig. 4. and 5. 



Locality. 



In the beds of the Transition Limestone, in Shropshire, Herefordshire, 

 the Islands of Oeland and Gothland, and in Dalecarlia. 



Description. 



It is a species which grows to a very large size, showing strong marks of 

 great external muscularity. 



The COLUMN (fig. 2.) is formed of considerably compressed joints, having 

 in the centre a pentapetalous passage for the alimentary can;il, and articulating 

 surfaces marked by radiating striae. They are alternately smaller and larger, 

 having their surfaces somewhat undulated, which becomes more conspicuous 



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