THE GEYSERS, HOT SPRINGS, AND TERRACES OF NEW ZEALAND. 383 
2. Medicinal Springs at Whaharewarewa. 
Silicate of soda . 
. 16-32 
„ „ lime . 
1-61 
„ „ magnesia . 
1-14 
„ „ iron . 
•39 
Sulphate of soda 
. 13-47 
Chloride of potassium 
1-24 
„ „ sodium . 
. 53-01 
Phosphate of alumina 
. . . . traces 
87-78 
Kuirua, or Saponaceous Spring , Ohinemutu 
Mono silicate of soda .... 
2-57 
„ „ lime ... 
•34 
„ „ magnesia . 
•12 
„ „ iron .... 
•31 
Sulphate of soda .... 
]0-31 
Chloride of potassium 
2-08 
„ „ sodium .... 
45-70 
Phosphate of alumina 
traces 
Silica, free ..... 
18-42 
79*85 
4. Caustic or Oil Bath , Koroteoteo, 
Whaharewarewa. 
Monosilicate of soda .... 
2-08 
„ „ lime .... 
3-16 
„ „ magnesia . 
•76 
„ „ iron .... 
•85 
Sulphate of soda .... 
7-49 
Chloride of potassium 
1-46 
„ „ sodium . . . . 
66-34 
Silica, free 
22-40 
104-54 
Water distinctly alkaline or slightly caustic. 
5. Pink Terrace , JRotomahana. 
Silicate of lime 
1-91 
,, „ magnesia . 
1-16 
Chloride of potassium 
1-05 
„ „ sodium . 
. 93-55 
Sulphate of lime 
. ‘ . . 10-96 
„ „ soda 
1-01 
Alumina phosphate . 
•54 
Silica, free 
. 43-95 
Iron oxides .... 
traces 
154-13 
Temp. 204° to 208° F. 
