[ uo ] 



one Stone two or three Cavities, they 

 have of late been fometimes called L/- 

 thotomi. They have had many other 

 Names, as Eutocium^ Echites^ ErodialiSy 

 Aquileius^ and Lapis pregnans. Great Vir- 

 tue has been by Women afcribed to the 

 Eagle-ftone, it being thought by many, 

 that, if it is worn above the Girdle, it 

 prevents Abortion if about the Knee, 

 it helps Delivery : but this Virtue is 

 ideal, and only a Conjedture formed from 

 its being pregnant, as it were, of another 

 Stone. Credulity and Superftition often 

 produce Fancies, which one is furprifed 

 to find People of Senfe and Reafon fome- 

 times give way to but fuch is the Frailty 

 of human Nature. 



Helminth olit hi. In this Clafs Linnaus 

 ranks all the fofTil Shells. The Stones 

 under this Title are fuppofed to have 

 been originally a Kind of Coral, which, 

 by being buried in the Earth for fome 

 confiderable Space of Time, has at length 

 arrived to a State of Petrifaction \ but 



the 



