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- •••■ ■ Canteebuey, : ■ Sir,— 6 Brittan Street, Linwood, Christchurch, 21st April, 1906. I have the honour to send you under separate cover the returns of analyses made during the year ending the 31st March, 1906. I have, &c, A. A. BiCKBETON, Colonial Analyst. Dr. Mason, Chief Health Officer, Wellington.

Return of Analyses at the Analytical Laboratory, Christchurch, for the Year ended the 31st March, 1906.

Department or Person from n *.„ «„ t «;a whom Sample Date re °e^« a - received. Nature of Sample. Adulteration suspected, or for what analysed. Result of Analysis. Polloe 1906. .. April 15 Combustible To identify Reported it to be gelignite, discoloured with dirt. 57 per cent, aoetic acid. Pound to be gelignite. Customs Police .. ! ., 13 .. „ 19 ,,19 .. i „ 19 .. j „ 19 Acetic aoid Explosive Tariff To identify DetSnators Pound to be oharged with mercuries fulminate. Dynamite. Dynamite and paraffin. Pound to be blood-stain. .. „ 24 .. „ 24 •• ! „ 28 Explosives Exhibit, Rex v. Allandale and others Liquid in bottle To identify stain Health ,,29 .. „ 29 .. „ 29 .. l „ 29 .. i ., 29 ,,29 ..■ „ 29 ...]"» 29 May 18 w • • Water, 72 Manchester Street Water from Waitaki River, Oamaru For poison Puiiiy Contained jfj grain of extract. Very dilute tincture of aconilum N. „ belladonna. China. „ mercurious oor. „ cina. Volatile matter, 3'92 gr. per gallon ; insoluable matter, 2 99 gr. per gallon ; sodium-chloride, 0'93 gr. per gallon ; traces of lime, sulphates, and nitrates ; magnesia, nitrates, phosphates, nil; free ammonia, 0-04 parts per million; albuminoid ammonia, 0-036 parts per million. The water is not bad, although not so good as most of the artesian-well water of Christchurch. Volatile matter, 1-96gr. per gallon; sodium-chloride, 0 7 gr. per gallon ; sodium - oarbonate, 26 - 32gr. per gallon; silicate, &o., 0'42gr. per gallon; traces of lime, iron, sulphates. It appears as if the presenoe of sodium-oarbonate was due to an aocident. Volatile matter, 1-12gr. per gallon; sodium-ohloride, 0'91 gr. per gallon : silica, &c, 0-4gr. per gallon; lime, 0-83 gr. per gallon; traoes of iron, magnesia, sulphates ; free ammonia, traoe ; albuminoid ammonia, 0-016 parts per million. A good water. Volatile matter, 1-4gr. per gallon; sodium-chloride, l f 04gr. per gallon; silica, &c.,0'64gr. per gallon; traoes of lime, iron, and sulphate; free ammonia, traoe; albuminoid ammonia, 0004 parts per million. Good water. „ 18 Water from Pareora River, Timaru . 18 Water, Thompson's faotory — filtered town water . 18 Water from well at Sheffield Volatile matter, 1'64 gr. per gallon ; sodium-chloride, 1-65 gr. per gallon ; sodium-oarbonate, 0-4 gr. per gallon; silicates, &c, 0-65gr. per gal Ion; traces of lime, nitrates, ana sulphates; free ammonia, traoe; albuminoid ammonia, 0'004 parts per million. A good water. 57'8 per cent, acetic acid. Free from any injurious ingredients or preservatives, and made from genuine black currants. The abnormal appearance of the jam was due to the sugars crystallizing out. liistoms Polioe Acetic acid Jam from Sergeant Johnson Tariff Adulteration 21 15