i 
a Government scales. 
ari 
a eae PAPAVERACEH. 
_ capsule varies considerably, according to peculiarities 
and weather, ranging from 30° to 50°, that is, it conta 
~ during this period it is within the power | of : 
examination of the drug at the Government J 
applied to a very limited portion of the many thousand tons of : 
the drug that pass through the factories.. Every 100 gra 
of the drug, therefore, that. is placed on the steam tabl 
estimation practised at the factories, a power that is g 
only. by years of experience in the examination of the dru 
Tt would be difficult therefore—nay impossible—to lay 
rules for arriving at results that can be satisfactorily obte 
only by practice. A few guiding principles wi howe 
touched on here. 
As a rule the senateiegee: of opium freshly collected fi 
30 to 50 per cent. of solid matter. * 
Between the time of collection, and of weig 
generally an interval of from one to even 
to manipulate his drug as to raise it to any a d 
spissitude, Experience, however, shows that the 
is not. so easily schooled into turning out an article € 
if cut with a spatula, the other containing a drug 
to be poured om of the jar by ae it over. 
The prictiead impossibility of guessing with’ 
a degree the consistence of any given sample of 
given rise to the ‘“‘classes” of opium now 
two Agencies. Hach class includes*4n it 3 
degrees of consistence, and between the first 
is included all the opium es is —— 
