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LETTER XXI. 



NAVE ENCRINITE.. ..DISCOVERED IN YORKSHIRE BY MR. MARTIN 

 LISTER.. ..IN GLOUCESTERSHIRE BY MR. JOHN BE AUMONT....SU P- 

 POSED TO BE THE RADIX OF AN ENC RINUS....SHE WN TO BE THE 

 PELVIS OR SKELETON OF THE BODY PA'RT.... SIMILAR FOSSILS 



DESCRIBED OTHERS PROM THE ISLE OF GOTH LAND.... ENCRI- 



N1TE IN MR. DONOVAN'S COLLECTION. 



IN the year 1674, Mr. Martin Lister dicovered in Braughton and 

 Stock, little villages in Craven in Yorkshire, stony bodies which he 

 considered as the radices of entrochi *. Having referred to the passage 

 of Agricola, noticed in a former letter, in which he speaks of the Ra- 

 dices Entrochorum, Mr. Lister says, " we, in these rocks, find certain 

 rude stones, of the bigness of walnuts, which have many impressions 

 of trochitae upon them, as though they had been the roots of them :" 

 aiid proceeds to observe, that all these stones are not to be considered 

 as Lapides informes ; instancing to the contrary, the encrinital remains, 

 to the consideration of which this letter is devoted *. 



These fossils, he describes as being about the size of a walnut, but 

 in the fashion of a pine-apple or cone, with a hollow bottom, sur- 



* Philosophical Transactions, No. 1 00. 

 VOL. II. F F 



