In another Letter of Mr. Oldenburgh to 

 Mr. Willoughby, of Aug. j. 1^70. 



Y Find this Obfervation from Dr. Tonge^ That he 

 1 hath found by Experience^ Toads Pifs to be fo hot^ 

 that it will fcorch a Glove whereon it faJlethy as a live 

 Coal would do if laid thereon. 



