Aes age 
Hygroscopic moisture at 100° C. 
Silica 
ceeneweneene 
Alumina 
Iron sesquioxide.. 
‘i protoxid e 
Manganese protoxide 
' Lime 
Magnesia 
Potash 
Soda 
, County Argyle. Red in colour. 
M. Thomson, D.Sc. 
Analysis. 
> Tron sesquioxide ........cce.0.s.0000- 
>» protoxide 
Peruoneg protoxide cogent eka lies: Sacer 
2-000 
trace 
vate Came, Conny of ih on the road from TS 
Flat. Collected by the late Prof. A. M. * 
