390 
DR. A. W. HOFMANN ON THE ORGANIC BASES. 
are as follows : — 
Theory. 
Experiment. 
1 equiv. of Tetramylammonium . . 
3 equivs, of Chlorine 
1 equiv. of Platinum 
. ' 298-0 
106-5 
98-68 
59-21 
21-19 
19-60 
19-63 
1 equiv. of Platinum-salt . . . . 
503-18 
100-00 
The analysis of the tetramylammonium-salt concludes the experimental part of this 
paper ; and here I cannot but make mention publicly of the valuable assistance which 
Mr. James S. Brazier, Senior Assistant in the Royal College of Chemistry, has given 
me during the prosecution of these inquiries. I thankfully acknowledge the aid of 
this able young chemist, whose experimental skill is equalled by his love of science. 
Before passing on to some general considerations, which the experiments de- 
tailed in the preceding paper suggest, it appears to be desirable to condense the 
whole of the materials into a synoptical form. The appended Table requires no com- 
mentary ; it contains the formulse of the alkaloids described in this and the preceding 
memoir, exhibiting in a clear light the arrangement of the molecules composing 
them, and the manner in which the various compounds are interchained. 
