198 ABSTRACTS OF PAPERS FROM OTHER JOURNALS. 
the residue dissolved in dilute sulphuric acid, and neutralized by 
ammonia, when oily drops separate from which the alkaloid is 
extracted by ether. Duboisine so obtained forms a yellow vis- 
cous mass, soluble in alcohol, ether, chloroform, benzine and car- 
in that it dilates the pupil, causes dryness of the mouth, and thi 
prevents the action of muscarine on the heart, and after some time 
uces tetanus, 
“Liner ag Baron F. von Mueller and L. Rummel (CS. 
es 
alkaline reaction, neutralizes acids completely ; dissolves in any 
quantity of ether, alcohol and water, throws down ferrous oxide 
ferrous sulphate, dissolves without colour in concel! 
ane 
Nicotine, which duboisine resembles, is distinguished from the 
latter by its specific gravity, less Someta 4 odour, vd. ha 
hydrochloride, and by being precipitable by phospho-mol aot 
of soda, picric acid and chloride of platinum. natn allusts 
_ Wote by abstractor. Tt is evident that the name gr ee 
been applied to two different substances, and it may be that 
