90 RESEARCH COMMITTEES. 
Hokianga.—J. A. Pond. Transactions, New Zealand Institute, 
vol. xz, p. B12: 
-— =~ 
Chlorinated siliceous water.—-Total solids, 2937°55 grs. per gal. ; 
sodium chloride, 2797°4; potassium chloride, 1:9; magnesium 
carbonate, 18°71; soluble silica, 49°56; organic matter, 51:11, 
with traces of lime, iron, and sulphuric anhydride. 
Kopuowhara Mahia.—W. Skey. . X VIIth Colonial Museum 
and Laboratory Report, p. 55; Jbid., x1xth, p. 39. 
Chlorinated water.—Total solids, 1241-65 gers. per gal. ; sodium 
chloride, 1027-6; potassium chloride, 2°99; calcium chloride, 
177°82 ; calcium sulphate, 2°61; magnesium carbonate, 1°49 ; 
calcium carbonate, 3°71; aluminum chloride, 16°42; aluminum 
phosphate, -37; magnesium iodide, 2°98; silica, 5°60; ferric 
chloride traces ; total iodine, 2:02 grs. per gal. 
Kummerstein Whareama.—W. Skey. XX VIth Colonial Museum 
and Laboratory Report, p. 37. 
A chlorinated water of considerable strength, containing iodine 
in notable quantity. 
Makztu.—W. Skey. XXth Colonial Museum and Laboratory 
Report, p. 52. 
Acid water.—Total solids, 130°27 grs. per gal.; sulphuric acid 
(free), 77°11; sodium sulphate, 8-21 ; potassium sulphate, traces ; 
calcium sulphate, 5-42; magnesium sulphate, 1:39 ; alumina and 
iron oxide, 12°18; silica, 25-96. 
Masterton, Upper Tararu Road.—W. Skey. XX VIth Colonial 
Museum and Laboratory Report, p. 38. 
Sulphuretted chlorinated water.—Feeble alkaline reaction ; 
Total solids, 224:3 grs. per gal.; organic matter, 3:2; sulphu- 
retted hydrogen, 1-6. 
Motukaramu.—Spring near the River Mokau.—W. Skey. 
XXIInd Colonial Museum and Laboratory Report, p. 57. 
A chlorinated. water containing iodine; total solids, 844 grs. 
per gal. 
Motuhora (Whale Island), Bay of Plenty.—J. A. Pond. Trans- 
actions New Zealand Institute, vol. x1, p. 512. 
Acid alum water.—Temperature, 198° F.; Total solids, 250°3 
grs. per gal. ; sodium sulphate, 17:60; calcium sulphate, 7:52 ; 
magnesium sulphate, 5-00; aluminium sulphate, 48-48 ; ferrous 
sulphate, 9°38 ; sulphuric acid (free), 138-32 ; silica, 24:0. 
