48 
RepoTt of the Judges on the 
vary in size from 18 inches to 9 inches in diameter, and in 
some cases they are worked under slight pressure. The farm 
is situated upon the Pebble or Conglomerate Beds of the 
Bunter series of the New Red Sandstone formation, and the 
soil is of a somewhat variable character. The larger portion 
of the farm is very light land resting upon a subsoil of red 
sand, the remaining portion consistjrg of red stratified clay. 
Experiments showed that, on an average of three samples of 
light soil, the quantity of water capable of being absorbed 
was 23"8 per cent, of its weight ; a sample taken from a 
field of mangolds, of a rather loamy nature, on an average 
of three experiments, absorbed 28 '8 per cent, of its weight 
of water, and the stiff soil on the farm on an average of 
three samples, absorbed 47*4 per cent, of its weight of water. 
These experiments show that the light land is of an extremely 
porous character ; and this is abundantly testified by the 
quantity of sewage which the land is capable of absorbing, and 
which will be hereafter referred to. About 90 acres of the farm 
have been under-drained. In the porous soils the drains are 
6 feet deep, on the loamy soils 4 feet 6 inches deep, and in 
the clay lands they are 4 feet deep. The drains vary in distance 
from 11 yards to 40 yards apart. Notwithstanding the large 
quantities of sewage which were poured upon the surface at all 
periods of our inspection, it was found that there was no surface 
effluent, and that the under-drains also yielded little or no 
effluent water. 
The amount of capital expended in preparing the land as a 
sewage farm has been as follows : — 
£ s. d. 
Cost of prep.aring Land — Corporation of Doncaster paid) 3500 0 0 
for Materials and Laying-out ^ ^ 
Tenant lor Labour, Laying-out part of Farm as agreed . . 300 0 0 
Corporation of Uoucaster for extra Buildings 1000 0 0 
Extra Buildings, Cost to Tenant 350 0 0 
£5150 0 0 
In addition to the cost of laying-out the land, it has cost the 
Corporation of Doncaster 18,000/. for the erection of the pump- 
ing station and the delivery main for conveying the sewage to 
the farm. The sum of 4000/. capital has been embarked by 
the tenant in the working of this farm, part of which was paid 
as a valuation on entering, viz., 971/. 17s. 2(1., to which must be 
added tenant's improvements 295/. 9s. 4c?., making a total sum 
of 12G7/. Gs. ChI. as the present estimated amount of the tenant- 
right valuation. 
Five acres of land have been specially prepared as a filter 
bed, having been more closely drained ; but experience has 
