190 



ON ARSENIATED COPPER. 



Firfi Specks, in obtufe odahcdra. 



Oxide of copper - - - 49 



Arfenic acid - • - - 14 



Water . ... 25 



Lofs • - . - 2 



100 



Second Species, in lamelliform Cryfials. 



Oxide of copper - . - 58 



Arfenic acid - - - - 21 



Water - - - - 21 



100 



Third Species^ in acute oStahedra. 



Oxide of copper - - - 60 



Arfenic acid - - • - 39,7 



Lofs ... - 0.3 



100.0 



Varietij ofthefajne Species, in capillary Cryfiak, 

 Oxide of copper - - - 51 



Arfenic acid - - ■• - 29 



Water - - - - 18 



Lofs - - - - 2 



100 



Another Variety, in mammdlated Concretions. 

 0>.ide of copper - - - 50 



Aifei;ic acid - - - - 29 



Water - - - - 21 



100 



Fourth Species, in trihedral Prifnis. 



Oxide of copper - . _ 54 



Arfenic acid - - - - .30 



Water - - . . ig 



100 

 Towards 



