Report of Society's Meetings. 77 
CBRTIPICATB OF ANALYSIS 
Composition of a sample of soil ; marked Surinam, No. 6 aan No. 9 ; 
sent by the Hon'ble. the Government Secretary ; received November 
iSth, 1897. 
The air-dried soil retained 7*5 0/0 of moisture. 
1 Root residues and combined water ... ... ... 9729 
2 Humus ... ... ... ... ... ... ro8i 
3 Phosphoric Anhydride ... ... ... ... '109 
Sulphuric Anhydride ... ... ... ... ' '358 
Chlorine ... ... ... ... ... traces. 
Iron Peroxide ... ... ... ... ... 7*567 
Alumina ... ... ... ... ... 14*668 
Manganese Oxide ... ... ... ... *io8 
Calcium Oxide ... ... ... ... ... '408 
Magnesium Oxide ... ... ... ... I*S47 
4 Potassium Oxide... ... ... ... ... i'042 
Sodium Oxide ... ... ... ... ... '271 
Clay and Combined Silica ... ... ... 50'6i6 
Quartz Sand ... ... ...- ... ... 12*496 
100*000 
Remark :— A soil of marked fertility, which should yield excellent 
results for many years without requiring the application of artificial 
manures other than, perhaps, an occasional light dressing with nitroge- 
nous ones. 
1 contains Nitrogen ... ... ... ... '226 
2 » ... ... ... ... '046 
I and 2 contain total Nitrogen ... ... ... '272 
3 soluble in i 0/0 Citric Acid Solution ... ... '012 
4 M » 11 » ••• •»• *020 
