178 ON THE INORGANIC CONSTITUENTS 
Analysis of live fronds. 
Percentage of ash of composition given, 4°51. 
20°51 
Soda ... vie ee ae ae se Te 
Chloride of sodium... ws ys Drie 315) 
Lime ... an ae es Sei ito te 
Magnesia... ve se ee woe LETT 
Alumina ee ty 10°51 
Ferric oxide ... e eee ‘a Sess or 
Manganese oxide (M30,) ... oe et ae 
Phosphoric oxide ... sae wie 3°13 
Sulphuric oxide... oe iad ae 
Soluble silica fae a we Bie 
99°73 
Analysis of dead fronds and humus. 
Percentage of ash of the composition stated, 19-22—2'14. 
Potash ... ea eas ee ces ae 
Alkaline chlorides... re 71 6-00 
dae. are io ai 24°17 
Magnesia 63 5°32 
lumina ge 21°98 
Ween Gadd nas ee ee 19°69 
Ph ph ie oxid : *92 t4k 
Sulphuric oxide 1°78 15°07 
Sand and silica S835). eee 
sand in the humus mass. This sand consisted almos} ointt 
small angular fragments of white quartz. The gens 
were made on plants which grew on a Casuarina 
about three-quarters of a mile west of the Lisanti mre these 
smelting Works at Newcastle. As the copper poe oxide of 
ce y th . 
still alive and apparently healthy. The plants were OF od 
into live fronds (including barren and fertile), wither which 
fronds, and humus, as there was enough for this separatl 
was not the case with the others. 
