46 
I.SPE. PENTACRINITES ver PENTACRINUS CAPUT MEDUS&. 
MEDUSA’S HEAD FIVE ANGLED LILY-SHAPED ANIMAL. 
Specific Character. 
A Crinoidal animal having a column formed of numerous pentangular 
joints, articulating by surfaces with pentapetalous ovate striated markings ; 
five auxiliary side arms formed of round joints, proceeding from the column 
at intervals. Superior columnar joints supporting a pelvis of five plates, to 
which the first costals, second costals, and scapule, succeed, from which ten 
arms proceed, each supporting two hands, subdividing into three fingers. 
Lower extremity or base unknown. 
Reference and Synonymes. 
Encrinus Caput Meduse, Lamarck. 
Isis asteria, Lin. 
Waurrznuxrst.—Inquiry into the original State and Formation of the Earth, 
PL. vu. fig. 2. 
Parxinson’s Organic Remains, vol. nu. Pu. xvi. fig.6. to 8. Pu. x1x. fig. 1. 
Locality. 
The few Recent Inpivipvats that have hitherto occurred, have been found 
in the sea near the Islands of Barbadoes (Dr. HunTer’s specimen) Nevis; 
(J. Tosin’s, Esq. specimen) and at Martinique (the Paris specimen). Those 
which have been brought to Europe are now preserved in the British Museum, 
which has purchased the specimen of the late J. Tosin, Esq.; at Surgeon’s 
Hall; the Geological Society; the Hunterian Museum, at Glasgow; and the 
' Museum of Paris. 
