148 WATER FROM A HOT SPRING, FIJI ISLANDS. 
a larger quantity would have enabled one to detect their presence. 
Neither iodine nor bromine could be found although carefully 
sought for. 
Composition, 
Parts per Grains 
% in residue. million or 
of water. on. 
Silica, insoluble 1°681 133°3 9-20 
», soluble 074 58 “40 
umina and traces of iron sesqui- 
oxide “534 41°7 2°92 
uminium chloride ...............66 1°646 128°6 9°00 
Phosphoric acid (P,05):............4 traces. .cs.05 55 Cee 
Calon chloride: oh. ie.ci. ck cose. 754 23,6529 255°70 
e RULLNAGEOY. A decease 4°770 372°7 26°09 
Magnesium chloride .................. "154 12°0 “84 
dium Pe ia e e ce ncvevs 42171 3,294°8 230°64 
otassium EN felviesdeccas 17, 1372 9°60 
Carbonic acid traces > wilks 
s 340 2°52 
100000 67,8130 = 546-91 
From the above it will be seen that the salts in solution consist 
of chlorides for the most part, and that the chlorides of poner 
and sodium largely preponderate over the others; the amount 
calcium chloride is unusually large. of 
No mention was made by Dr. Bromlow of the temperature 
the water. 
