THE DEEP WELL WATERS OF SYDNEY. 189 
These results show a surprising agreement ; a repetition gave 
concordant figures, and calculation shows a perfect agreement in 
the case of the water from the Standard Brewery. 
8 
sabe is ( 7 pattest or within the limits of ‘experimental error 
on a single distillation 
The large peees ty of albuminoid ammonia yielded by sea 
water (87 parts per million) is peau less langeny due to the 
immense number of microscopic organisms contained in it, and 
these ae rete reach the bores if the water ae in fissures. If 
the w d,many of thes oe 
Sydney water... ... 3°74 ical per gallon. 
Surface spring... 646 ,, ” 
Standard Brewery, 180 foet 24°22 ,, » 
” ” 380 ,, 32° 55 55 ” 
Sugar Company, 427 , 4545 ,, ” 
This considerable increase of salts in solution would be objec- 
tionable for most domestic purposes, and probably on boring 
deeper the waters of the coal-beds w ould be obtained. These 
waters in country are generally charged with mineral 
matter, so much so as to render them useless, so far as they have 
