1889.J 



PUBLIC DOCUMENT — No. 4. 



605 



Contains 1 sample of Uayuga plaster. 



Gypseous Shale (^1 Analysis;. 



Calcium sulphate, 

 Calcium carbonat(;, 

 Magnesium carbonate. 

 Insoluble matter, . 



Per cent. 



38.55 



11.05 



2.65 



37.15 



Gas-house Lime (4 Analyses) . 



Bnlpburic acid includea all forma of sulphur present. 



