Skey. — On t/ie Mineral Waters of New Zealand. 



447 



This water, it will be observed, contains a notable quantity of carbonate 

 of iron, a fact which confers upon it the additional character of a chalybeate, 

 and therefore that of a tonic. 



16. Akitio Acidulous Mineral Water. 



This is the last water of the Wellington series I have to describe. The 

 sample as received from Mr. Douglas McLean was very turbid, quite taste- 

 less, and colourless when clarified. It is largely charged with free carbonic 

 acid, and gives no reaction of iodine with the starch test when its salts are 

 greatly concentrated. 



The following are the results obtained by its analysis computed in grains 

 per gallon : — 



oiue:ii . . . . 

 Iron aucl alumina 



•93 



Lime 



.. 13-14 



Magnesia 



232 



Soda with a little potash * 



4-68 



Chlorine 



.. 1-84 



Sulphuric acid 



. . 1-02 



Carbonic acid, combined . . 



.. 9-57 





37-65 



This water is therefore eminently a carbonated one containing lime as 

 the principal basic substance of its salts. 



It is decidedly chalybeatic and is very much of the same character as 

 the water of Pyrmont (Waldeck) and Eecoaro (Venetia). 



17. Nelson. 

 The Hot Springs, Hamner Plains, Nelson, were sampled by Mr. W. T. L. 

 Travers for the Laboratory, 5th April, 1869. The water is transparent, 

 colourless, and tasteless, but decidedly alkaline to test paper even in its 

 normal state. A flocculent precipitate had settled, principally silica, 

 which amounted to 2" 11 grains per gallon. The total of fixed matters 

 present was 86"4 grains j)er gallon. Of this 2-88 grains were silica, the 

 remainder being principally alkaline chlorides and carbonates. 



18. Canterhiiri/. 

 The water of certain thermal springs at the head of Lake Sumner, 

 provincial district of Canterbury, has been partially examined, and with 

 the following results : — Reaction faintly acid, colourless, and nearly trans- 

 parent ; total quantity of fixed matter present to the gallon 18-516 grains, 

 which principall}'- consist of alkaline chlorides. Contributor — Dr. Haast ; 

 date of receipt, 8th October, 1873. 



* Not sufficient water to aUow of its determination. 



