Report of Society's Meetings. 79 
CERTIFICATE OF ANALYSIS. 
Composition of a sample of soil ; marked Pin. Voorburg Dist , below 
Surinam, Dutch Guiana, E. A. Cabell Esq., Paramaribo; sent by the 
Hon'blethe Government Secretary; received November 15th, 1897. 
Moisture retained by air dried soil 19' 2 0/0. 
1 Root residues and combined water... ... ... 10 391 
2 Humus ... ... ... .., ... ... 5*937 
3 Phosphoric Anhydride ... ... ... ... '089 
Sulphuric Anhydride ... ... ... '388 
Chlorine ... ... ... ... ... traces. 
Iron Peroxide ... ... ... ... ... 6*902 
Alumina ... ... ... ... ... I7'I24 
Manganese Oxide ... ... ... ... '062 
Calcium Oxide ... ... ... ... ... '242 
Magnesium Oxide ... ... ... ... '979 
4 Potassium Oxide... ... ... ... ... i'02a 
Sodium Oxide ,. ... ... ... ,„ '157 
Clay and Combined Silica... ... ... ... 45*139 
Quartz Sand ... ... ... ... ... 11*568 
lOO'OOO 
Remark :—A soil of considerable fertility, but deficient in lime and 
available phosphates. I would recommend the use of lime and of 
slag phosphate meal in this soil. 
1 contains Nitrogen ... ... ... ... '205 
2 II 11 ••• ••• ... ... ... '115 
I and 2 contain total Nitrogen ... ... ... '320 
3 soluble in i 0/0 Citric Acid Solution ... ... traces. 
4 «• ' It }• ,} (•• ... '007 
