55$ Miner at ogia. 



Echinites. 



Chriftianus Mentzel, 



De generatione lapidum, vulgo bufonum in echinometris. 

 MifcelL Acad; Nat. Curiof. Decs. A. 9. 1690. p.ng. 

 Henry Baker, 



A defcription of a curious echinites. 

 Philof. Transact. Y. 1747. p. 432. 

 Emanuel Mendes da Costa, 



A letter — concerning two beautiful echinites. 

 Ibid, Y. 1749. p. 143. 



lacobus Theodorus Kxein, 

 Echinites Tesdorphii. 



Abhandl. der Naturf. Gefellfch. in Danzig. Th.a. S, 



James Parsons, 



Remarks upon a petrified echinus of a lingular kind — 

 found on Bw man's land in the Parish of Bovingdon 

 in Hertfordshire, which is a clay and fuppofed to 

 have been brought with the chalk, dug out of a pit 

 in the field. 

 Philof. Transact. Y. 1755. p. 155. 



Jean Andre de Luc, 



Memoire fur un echinite lingulier. L 



Mem. de Mathem. et de Phyf. T.4. p. 467. 



Iohann Abraham Gyllenhal, 



Beskrifning pa de fa kallade cryftall- aplen och kalk-bollar, 

 fafom petrificerade diur af Echini genus , eller defs 

 nar malte slagtingar. 

 Vetensk. Acad. Handlingar. A. 1772. §.239. 



Befchreibung der fo genannten Criltall- Aepfel und Kalk- 

 Balle als ver(teinerten Thiere vom Gefchlecht der 

 Meerigeln (Echini) oder wcnigltens deifen nahelten 

 Anverwandten. ;.i 1 

 Schwedifche Akad. Abhandl. J. 1772. S. 231. 



Trlarcus 



