HEMLOCK. 424 
felt. Dr. Jackson recommends to begin with a 
single grain of the extract, and to increase to five 
grains for the second or third dose ; afterwards to 
add five grains to every dose until a full effect is 
felt on the system. In this discourse he cites the 
experience of Dr. Fothergill, who had employed 
the Conium successfully in several cases of this 
disease under a different name. It appears also 
that some French physicians, whose writings I 
have not seen, as Chaussier and Duméril, have con- 
firmed the success of our plant in tic doloureux. 
It must be confessed however, although the Hem- 
lock is more successful in this complaint than per- 
haps any internal medicine, which has been tried ; 
yet there are cases of such obstinacy, as wholly to 
bafile the powers of its operation. 
In schirrus and cancer. Since the time of 
Storck, this medicine has been long and abundant- 
ly tried, but without any increase of reputation. 
The experience of modern physicians, and among 
others of M. Alibert, who tried it in more than a 
hundred eases in the hospital of St. Louis, have 
pretty well established the fact, that itis wholly in- 
capable of curing either schirrus or cancer of the 
confirmed and genuine kind. It is however still ad- 
ministered, rather with a view to its anodyne and 
palliative effect, than any expectation of radical ben- 
