No. 8.] EDWARDS — ANALYSES OF SOILS. 459 



1. Surface bog soil. 



Water 30-0 



Organic matter 10*0 



Clay 6-0 



Sand, gravel and shells 54*0 



100-0 



Soluble in acid 8-5 



" in water 5*0 



No. 2. Detritus from the River St. Pierre — dried — consists 

 chiefly of carbonate of lime, silicate of alumina, and about 5% 

 organic matter. 



No. 3. Three do. in banks — pure shell marl — containing 

 fresh water shells and potash ashes. 



Class 2. 



SAMPLE OF SOIL FROM FERTILE ORANGE BELT OP FLORIDA. 



This is a nearly pure chalk of marine origin, composed almost 



entirely of carbonate and silicate of lime, yielding 



Carbonate of lime 90*0 



Silicates of lime and potash 4-8 



Silica 4-0 



Organic matter containing traces of phos- 

 phates, alumina, iron and soluble salts 

 (sodic) 1-2 



100-00 

 This chalk is evidently of marine origin and requires admix- 

 ture with other materials to be generally fertile and cultivatible. 



Class 3. 



Analysis of three samples of soil from North-West Territory, 

 Section 27, Township 11, Range 27 West of 1st Meridian, 

 Manitoba. Taken 31st Oct., 1882, by McPherson Le Moyne, 

 Esq. 



No. 1. Taken from surface of highest knoll, contains : — 



Moisture 4-6 



Organic matter (containing nitrogen)... 11-8 



Carbonate of lime 30*0 



Phosphate of lime 1*4 



Salts soluble in water, largely potassic... 8*6 



Silica, silicates and gravel 43*6 



100-0 



