Mineralogy and Geology. : 261 
m presence of an excess of platinic chlorid, coincided completely 
with those of the sinkaline-salt, not only in form but in angular 
measurement. : 
The auro-chlorids were also found to be identical in properties. 
The salts of both bases behave alike on heating -and evolve the 
characteristic odor of trimethylamine. 
(£) Synthesis of neurine—On the 16th of Dee. last, Wurtz 
made a communication to the French Academy upon the synthesis 
. 
of neurine. He first attempted its production by the method sug- 
first a 
gested by Baeyer, by treating oxethyl-ammonic hydrate with me- 
thylic iodid. “But t ough scsemeatel, the yield was very 
Its direct synthesis was then accomplished by uniting trimethyl 
3 
amine with glycolic chlorhydrin, ‘ental +> sat | 
5 3 
: (€.H,[Ho} . 
on NOI. Five grams of trimethylamine were heated 
a 7 
with ten grams of glycolic chlorhydrin in a sealed tube in a water 
