219 
offered, respecting the origin of these soils, that the absence 
of calcareous earths can be accounted for. The " deep 
ivold" soils may then be more properly termed " sandi/" 
for they contain as much as 77 and 78 per cent, of sand, 73 
or 74 of which is siliceous, — the quantity of alumina being 
(Unchalked of Riplingham continued.) 
Chemical Analysis. 
Water of absorption 5. 
soluble ^ sulp. lime abt. 0. 1 ^ 
in >- chl. sodium do. 0. 1 >■ 0.5 
water. ) veg. matter do. 0.3 ) 
Matter destructible by heat, (veg.) 4.5 
Siliceous sand insoluble in nitric 
and sulphuric acids 73.5 
Alumina 2.1 
Oxide of iron 10.0 
Carbonate of lime and carbonate 
of magnesia 0.3 
Phosphate of lime 0.1 
Potash (existing as an insoluble 
silicate) 0.8 
Loss 3.2 
[00 
(Lincolnshire Wold continued.) 
Chemical Analysis. 
Water of absorption 5. 
Matter ) , ^ 
soluble KmP'-^^^T-;- n? 
in water, j ^^^""^^ ^^^'""^ - ^'^ 
Matter destructible by heat, (veg. ) 5. 
Siliceous sand insoluble in nitric 
and sulphuric acids 73.5 
Alumina 2.8 
Oxide of iron 2.9 
Carbonate of lime 7.6 
Phosphate of lime 0. 1 
Carbonate of Magnesia 0.4 
Potash (silicate) 1. 
Loss 1. 
100 
Soil from Neswick contains 2 per cent, of calcareous matter ; 
(query " chalked" or "unchalked.") 
Chalk from Hessle CliflF. 
sulphate of lime 
„1 
0.3 
Matter 
soluble J- " and 
in water. ) chloride of sodium. 
Carbonate of lime 90. 
Carbonate of magnesia 8.5 
Silica 0.4 
Alumina 0. 1 
Oxide of iron a trace 
Phosphate of lime 0. 1 
Loss 0.6 
100 
Chalk, near Marlborough. 
(Boyd.) 
Lime 43.29 
Carbonic acid 44.06 
Water 11.40 
Silex 0.25 
Alumina L 
100 
Another analysii of the Riplingham unchalked soil, for H. S. Thompson, Esq. 
gave of calcareous matter 2-lOths per cent. 
{For Synopsis of the preceding Analyses, see end of this Report.) 
Flint, by Klaproth. 
Chalk, by Bucholz. 
... 98 
... 0. 5 
... 0.25 
... 1. 0 
100 
100 
