404 PROCEEDINGS OF SECTION B. 
22-5-90.—Solution almost colourless, but pale-slate colour. <A 
considerable quantity of almost black sediment. 
28-5-90.—Solution practically colourless. Dense blue-black 
growth at bottom of bottle. 
Nia: SU 
15-8-89. Phosphorus in Ether. 
1-1-90.—Dark purple-red solution. Dark purple-red growth. 
22-5-90.—No apparent alteration. 
28-5-90.—Fairly deep-purple solution. Bluish-black voluminous 
growth. 
No. 12. 
Potassium Acetate Mould. 
11-10-89.—Gold reduced immediately, and the solution became 
of a pale-blue colour in ninety minutes. 
14-10-89.—Dense blue-purple precipitate. Clear colourless solu- 
tion. Mould stained blue-purple. 
1-1-90.—Dense thin adherent dark-purple deposit in addition 
to mould. 
22-5-90.— Deposit very deep-black. 
28-5-90.—Deposit very deep-black. Solution very pale-slate 
colour. 
No, 13. 
11-10-89. Phosphorus in Benzene (C,H, ). 
14-10-89.—Purple-blue colour. No precipitate. No growth. 
1-1-90.—Purple-blue solution. No growth, and no deposit. 
22-5-90.—Slight deposit of a dark-purple colour. 
28-5-90.—Solution of a fairly deep-purple colour, apparently 
turbid. No further deposit, and no mould or 
growth. 
No. 14. 
Citric Acid Mould. 
11-10-89.—Pale-blue colour in ninety minutes. 
14-10-89.—Red-purple solution. No precipitate, and no growth. 
1-1-90.—Pale-blue solution. Indigo-blue fungoid growth. 
22-5-90.—Mould almost black, one piece 5°, in. x =3 in. 
28-5-90.—Solution colourless. Deep blue-black deposit, and 
free lump of similar-coloured growth. 
No. 15. 
Phosphorus in Alcohol. 
11-10-89.—Dirty brown colour at once. 
14-10-89.—Blue-purple solution. No precipitate or growth. 
1-1-90.—Pale purple-blue solution. Small quantities of bluish 
growth. 
