PAP—PAP 
© amount of narcotine, which isin the opium.” One of my 
assiduous Botanicalpupils, Mr. Edward Staples, of this city, 
* » has made ‘beautiful morphia; by a process of his own, 
» » which I trust he will publish—(See last page of this 
_- work.) Cabinet specimen, Jeff. Coll. No. 515, is a sample. 
‘QuatiTizs. Crystallize$ from its aleoholic ethereal solution, 
in fine needles, or in rhomboidal prisms; has no action or 
Pexcuble colours, no smell, no taste. Cold alcoho! dis- 
solves one-hundredth part; boiling, one-twenty-fourth part 
of its weight. Hot ether dissolves a considerable quantity, 
from which, on cooling, it is deposited in a crystalline form. 
An oleaginous solution of one grain, Magendie found to, 
kill dogs, in 24 hours after precurse narcotic symptoms; 
with acetic acid, animals supported a dose of 24 grains with- 
out perishing, though convulsed as by camphor. He found, 
by giving Morphine and Narcotine together, the peculiar 
effects of each were developed srouuttaneoane, He ob- 
_serves, a person who takes morphine only, does not ex- 
perience that excitement which follows the use of the 
ueous extract of the shops, in which that salt is combined 
with narcotine. This ls:ter salt, is contained in other nar- 
cotic plants, besides opium. 
=a * 
EXTRACTUM OPil NARCOTINA PRIVATUM, Extract 
of Opium deprived of Narcotine. 
This, and its tincture, whicl: has now become so fashionable, : 
in Philadelphia, under the name of denarcotized lauda- 
num, were first prepared by Robiquet, by macerating 
coarsely divided opium in cold water, filtrating and evapo- 
rating to the consistence of a thick syrup, digesting in 
ectitiea ifie ether, and after frequent agitation, decanting the 
tincture, and evaporating the ether. He repeat- 
_ Some opium, shaved 2 Speed it on the face of a jack- 
_ plane, was subjected four times successively to as much 
ether of the specific gravity of .735 as would cover it, al- 
ywing each portion to act upon it for about twenty-four 
ours. The opium was afterwards subjected to as much 
duly diluted alcohol as would have been adequate to con- 
vert it into laudanum, of the common kind, had it not been 
