PROCEEDINGS OF SECTION B. 405 
22-5-90.—Considerable quantity of blue-black growth. 
28-5-90.—Pale tint of blue left in liquid. Thick blue-black 
deposit evenly covering all the bottom of the 
bottle. 
Wo. 1: 
11-10-89. Reduced by Ferrous Sulphate Solution. 
14-10-89.—Clear solution. Flocculent dirty bluish-green precipi- 
tate of gold. 
1-1-90.—Pale-green solution. Dirty green precipitate. No 
growth. 
22-5-90. —Pale yellowish-green solution. Dirty green precipitate. 
No growth. 
28-5-90.—Bottle coated with very thin film of gold. Bluish- 
black precipitate in powdery form, not coherent 
nor adherent to bottle. No growth. Solution 
colourless. 
No. 17. 
11-10-89: Bread Crumbs. 
14-10-89.—Bread stained purple outside. Blue-purple solution. 
Neither growth nor precipitate. 
1-1-90.—Pale-blue solution. Bread stained blue-black. Slight 
fungoid growth on bread of a pale purple-blue 
colour. 
No. 18. 
11-10-89. Potassium Tartrate Mould. 
14-10-89.—Purple red solution. No precipitate. Mould stained 
purple. 
1-1-90.—Thick, dark-bluish growth. Pale-blue solution. 
22-5-90.—Thick, dark-bluish growth. Purple slate-coloured 
solution. 
28-5-90.—Solution colourless. Mould very voluminous, readily 
floating about, of a deep-bluish colour. Growth ? in. 
across. Also a blue-black deposit. 
No.419. 
11-10-89. Magnesium Sulphate Mould. 
14-10-89.—Colourless solution. All gold precipitated. Mould 
stained dirty green. 
1-1-90.—Slight dirty green precipitate. Mould dark green, 
but had not increased. 
22-5-90.—No apparent alteration. 
28-5-90.—Colourless solution. Slight blue-black precipitate. 
Mould blue-black also. 
