GOLD AND SILVER IN SEA-WATER. 341 
The second Cl water extract of the film, on adding the SnCl, 
became opalescent with a faint amethyst tinge; on February 
8th, 1895, the sediment was white with light reddish-brown ring, 
Test No. 3.1900 cc. June 21st, 1895. A buff sediment with 
a pinkish tint at top; on the 24th the pink tint was deeper, a 
pale violet on July 3rd, and on the 6th July had become a full 
violet ; on the 10th July this had become purple—the buff below 
remaining unchanged. 
No. 4, South—Collected 27th November, 1894, from one mile 
off Cape St. George Lighthouse, Jervis Bay. Latitude 
about 35° 8. 
Test No. 1. Upon one litre. December 11th, 1894. After 
standing five hours the solution was clear with a bluish tinge ; 
sediment slightly coloured. On 8th February, 1895, the white 
sediment was marked by a reddish ring. 
Test No. 2. Two litres, on 22nd December, 1894. No colour 
on the 29th nor on the 8th February, 1895. Nor from the second 
Cl water extract ; afterwards yielded a bluish tinge with pinkish 
colour to sediment. 
Test No. 3. 1900 cc. 21st June, 1895. A bluish tinge on top 
of white sediment observed 5th J uly, 1895. 
No. 5, South—Collected 27th November, 1894, from two miles 
off Brush Island. Latitude about 35° 5’ S. 
Test No. 1. Upon one litre, 11th December, 1894. Clear bluish 
tinge ; on 8th February, 1895, the white sediment showed a bright 
pink ring. 
Test No. 2. Gave no indication of gold, neither did the second 
Ol water extract. 
Test No. 8. 1300 ce., 21st June, 1895. On addition of the 
stannous chloride this gave a bluish tinge; on July 10th the white 
sediment was almost black at the base. 
No. 6, South—Collected 28th November, 1894. From twenty- 
Seven miles off Broulee near Moruya. Lat. about 36° 5’ 8. 
