384 
POPULAR SCIENCE REVIEW. 
G. Sulphur Bath , Ohinemutu , “ The Pain-killer ” 
Sulphate of potash 
2*96 
„ ,, soda 
. 34*37 
Chloride of sodium . 
. 59*16 
„ „ calcium . 
3*33 
„ „ magnesium 
1*27 
„ „ iron . . 
*25 
Phosphate of alumina 
traces 
Silica . 
. 16*09 
Hydrochloric acid 
7*60 
Sulphuretted hydrogen 
2*01 
127*04 
(7.) Te Kail whan ga Mud Bath, mile from Ohinemutu. Thick brown 
muddy water, covered with oily slime ; temperature 80° to 100° F., de- 
positing a heavy muddy sediment ; has persistent acid reaction and 
an offensive odour. 
(8.) Ariku-Kapakapa, 2 miles from Ohinemutu. Small pool ; strong out- 
flow*, temperature 160° F., depositing sulphur; reported to have 
powerful curative properties. 
(9.) Te Kute, Great Spring of Tikitiri. Temperature 100° to 212° F. ; 
muddy brown, containing a large proportion of sulphuretted hy- 
drogen ; reported wonderfully efficacious in rheumatism and cuta- 
neous diseases. 
7. 
8. 
9. 
Sulphate of potash 
*77 
*38 
*59 
„ „ soda . 
. 23*71 
12*51 
12*66 
„ „ alumina 
. 1*46 
*68 
11*22 
„ „ lime . 
. 2*04 
2*21 
1*01 
„ „ magnesia . 
. 1*62 
1*29 
*69 
„ „ iron . 
. 1*47 
3*15 
1*73 
Phosphate of alumina . 
traces 
traces 
traces 
Sulphuric acid, free 
. 7*60 
13*95 
*77 
Hydrochloric acid, free 
. 7*66 
2*62 
1*63 
Sulphuretted hydrogen . 
. 3*19 
— 
5*74 
Silica .... 
. 13*86 
18*15 
12*40 
66*38 
54*94 
48*44 
EXPLANATION OF PLATE IX. 
Fig. 1.- Otakapuarangi — General view of the Pink Terraces, Rotomahana — 
from the Sulphur pool. 
Fig. 2. — Te Terata — View of the cold-water basins on the White Terraces, 
Rotomahana. 
(From Photographs by Burton Bros., Dunedin.) 
