144 Proceedings. 



produce a copper flavour in the clarets. This is seen to 

 be exceedingly probable from these experiments. 



An animated discussion ensued, in which Mr. CHARLES 

 BAILEY, Professor Hare, Dr. Ree, Mr. Cunliffe, and 

 others, took part, Mr. Bailey describing various experiments 

 on the artificial colouration of flowers during the last two 

 centuries, and Professor HARE suggesting elaborations of 

 Mr. Brock hank's experiments as likely to prove extremely 

 helpful in elucidating the structure and vital processes of 

 plants. 



Mr. Charles O'Neill, F.C.S., read a paper on " The 

 action of formic and acetic acids with oxydizing agents on 

 indisro blue." 



