364 PROCEEDINGS OF THE SECTIONS. 
saturated with rain, and entails the pollution of streams by the 
inflow of unfiltered sewage into them during wet weather, when it 
cannot be all absorbed. 
In Adelaide, however, a fairly successful sewage farm has been 
established, and, acc ording to information received from the mayor 
of that re he yebetitly3 is doing good work 
r of dry days in Adelaide in the course of a year 
Saat. aicals hide of Sydney, which encourages the hope that 
y m 
application to the growing of crops, trees, and vegetables. 
The mcrae of this point will come later on in the course 
of this pa 
The Saal now obtaining such unqualified approval in Adelaide, 
is identical with that proposed herein, so far as the mode of con- 
veyance is concerned. It is called the Separate System, because 
if underground drainage is desired for both storm water and 
and also, the conduits necessary for this sy — are of small 
dimensions and therefore obtainable at small ¢ 
It is designed in this paper to trent of the sev wae points here 
adverted to in the following order 
. The suitability of the water-c carriage system over others. 
2, utfalls. 
3. The practicability of adopting a system for an isolated 
small community, independently of any proposed com- 
prehensive scheme, and the possibility of adapting to 
any such general scheme all the works nbc 
4, The reproductive character of a sewage s 
5. Health rae na _ improvement € the “health of a 
sewered distri 
6. The ventilation of sewers. 
mh ve icon arm. 
slops and refuse greatly exceed in bulk those of localities where 
water is scarce ; hence the street gutters and channels are gener- 
aa in a running condition, and therefore while their contents 
re more bulky, they are less offensive, the sewage being 
dilute, and the gutters if properly constructed, are better flushed. 
oo all this, such gutters are always giving off offen- 
Sive odours, as may be witnessed in the Melbourne gutters. 
Into these gutters only kitchen slops are allowed to be thrown, 
all fecal matter being rigidly excluded. 
pm ols! Se eal i eeu ecg MR ete edd PSS cy oa | 
