Notice, ge. ) 199 
the best quality, two and a half parts by weight, of the red 
oxid, to four of the Prussian, blue, is the best tion, = T 
prefer using a larger quantity of water than is directed, to aid 
the mutual action of the Prussian blue and of the oxid of 
mercury. 
Sixteen fluid ounces of distilled wae at the temperature 
of 65°, will hold in solution five hundred and ais 
grains of crystalized prussiate of mercury. 
Pd * = & = “& 
Memorandum. 
Dr. Pere S. Monson, of New Haven, nd Ds J yon 
Comstock, of Hariford, stantly keep the | 
for sale for the use of Physi icians. 
On the fidelity and accuracy of these een entire 
reliance may be placed; and those who wish for supplies 
of the Prussic Acid are, by their permission referred to them. 
—Epironr, . 
Me hs OE 
Tis rabuibes having already exceeded the size of any 
preceding one, and containing thirty-nine pages over the 
sipuintad amount of er it is with great regret, that 
itor is compelled to postpone many miscellaneous 
articles which were in readiness. - Among them were a No- 
nthe ia America f Professor Gorham’s 
my: “ x ‘ Ut rs, by D Dr. 
Fie: We mea tog most of 
ranyshe-axpected:(D: /—— 
