OBSERVATIONS UPON BLAUD's PILLS. 
55 
other microscopic productions of isolated globules; and 3, 
that it is not destroyed by a very considerable degree of cold 
or by being deprived of water. 
Finally, I may consider that the question formerly propos- 
ed by the Institute, appears to be resolved by the results 
given, for they lead to the conclusion that generally the fer- 
ments, and especially those which produce the vinous fermen- 
tation, are composed of very simple, organized, microscopic 
bodies, and that the substances subjected to their action are 
purely chemical, such as sugar and analogous compounds. 
Ann. de Chim. et de Phys. 
ART. X. — OBSERVATIONS UPON BLAUD'S PILLS. 
By M. Guibourt. 
The following observations have originated from reading 
several articles published in the Journal de Pharmacie du 
Medi, and it appears to me, that as pharmaciens so little 
concur in the preparation and composition of Blaud's pills, it 
will not be useless to call their attention to this medicine, the 
base of which is a substance much employed in modern 
therapeutics. 
The following is the formula of Dr. Blaud, as reported in 
the Bulletin de V Academie Roy ale de Medicine, torn. l,p. 92. 
— Sulphate of iron, 
Subcarbonate of potassa, ^ 3iv. 
Reduce the two substances separately to a very fine powder; 
mix them intimately, and add 
Mucilage of gum tragacanth, q. s. 
Beat well together, and form a mass, which divide into forty- 
eight pills. 
In order to avoid any doubt, let us, in the first instance, no- 
tice the materials. 
