EXPERIMENT'S on WH1NST0NE and LAVA. 75 

 TABLE OF FUSIBILITIES. 





c 1/1 1 Original 

 Subftances. \ fof f ened . 



Glafs 



foftened. 



Cryjlallite 

 foftened. 



No. 1. 



Whin of Bell's Mills 

 Quarry. 



40. 



15- 



3 2 - 



2. 



Whin of Caftle Rock. 



45- 



22. 



35- 



3- 



Whin of Bafakic Co- 

 lumn, Arthur's Seat. 



55- 



18. 



35- 



4- 



Whin near Dudding- 

 ftone Loch. 



43- 



24. 



38- 



5- 



Whin of Salifbury 

 Craig. 



55- 



24. 



38- 



6. 



Whin from the Water 

 of Leith. 



5S- 



l6. 



37- 



y.lWhin ofStaffa. 



38. 



I47. 



35- 



No. 1. 



Lava of Catania. 



33- 



18. 



38. 



2. 



Lava of S^ a Venere, Pie- 

 dimonte. 



32. 



18. 



36. 



3- 



Lava of La Motta. 



36 v 



18. 



3*- 



4- 



Lava of Iceland. 



35- 



U\ 



43- 



•5- 



Lava of Torre del Gre- 

 co. 



40. 



1 8. 



28. 



6. 



Lava of Vefuvius, 1785. 



18. 



18. 



35- 



IV, 



