152 Miscellaneous Facts and Observations. 



in some of the Islands, as an anthelmintic. The pre- 

 cise manner of employing it is not known to the 

 Editor. 



This tree must not be confounded with the Papaw 

 of the United-States, which is the Annona triloba of 

 Mnnzeus: theOrchidocarpum arietenum of Michaux. 



Editor. 



28. Dr. Bostock, of Liverpoole, in England, has 

 lately analysed, with great care, the saline matter, 

 which is found upon stone-walls, and other similar 

 situations. He finds it to be a sulphate of magnesia 

 (Epsom Salt), in a pretty pure state. — Considerable 

 quantities of the same substance have been found, in 

 certain calcareous caverns, in the western parts of 

 Virginia, particularly in the county of Munro. In 

 these, the salt is not confined to the walls of the ca- 

 verns, but forms a floor of considerable depth. This 

 matter has often been taken for Nitre, and sometimes 

 for Borax. 



Editor. 



29. In one of these caverns, upon a water of Green- 

 Brvar, a branch of the river Kenhaway, there were 

 found several of the bones of an animal, of which 

 same account, with ingenious conjectures, is pub- 

 lished in the 4th volume of the Transactions of the 



