572 PROFESSOR ANDERSON ON THE PRODUCTS OF THE 
When the base was treated with iodide of amyle in a sealed tube, it rapidly 
dissolved; and, on cooling, the fluid became filled with fine crystalline plates. 
These crystals, when treated with potash, evolved a smell quite distinct from 
that of amylamine, much more pleasant, and devoid of that putrid odour which 
distinguishes the whole of the alcohol amide bases. When a quantity of the iodide 
was introduced into a retort, with an excess of potash, and distilled into a mo- 
derately dilute solution of hydrochloric acid, a salt immediately deposited itself 
as a crystalline powder of sparing solubility, and possessing all the characters of 
the hydrochlorate of diamylamine. Analysis gave the following results :— 
14-505 grains of carbonic acid and 
7:280 grains water. 
8-240 grains dried at 212° gave 
6°165 grains of chloride of silver. 
{ 6-400 grains dried at 212° gave 
Experiment. Calculation. 
Carbon, 5 : “ 61:80 62°10 Cy 120- 
Hydrogen, : ; f 12°63 12°40 1 24° 
Nitrogen, : é - fe 7:16 N 14: 
Chlorine, 2 r 18-50 18:34 Cl 35'5 
100-00 193-5 
These experiments prove incontestably that the base is amylamine, and they 
afford an indirect refutation of the opinion expressed by some chemists, that the 
substance described in a previous part of this paper as propylamine, might pos- 
sibly be trimethylamine. The occurrence of the whole series of the alcohol bases, 
with their proper boiling points, as well as many facts observed during the inves- 
tigation, had fully convinced me of the accuracy of my original opinion; but the 
experiments now detailed, showing that one of them is really an amide base, may 
be taken as affording the strongest possible evidence that the others are similarly 
constituted. 
Various attempts have been made to ascertain whether any of the higher 
members of the alcohol series of bases, and particularly caprylamine, exist in 
bone oil, but without success. Some difficulty attends the examination, because 
the boiling points of these substances do not differ very greatly from those of the 
different members of the pyridine series, and a small quantity existing along with 
the latter might easily escape detection, but a careful examination of the first por- 
tions passing over during the distillation of pyridine, and which ought to contain 
any caprylamine, has satisfied me that it is not present. Taking into account 
the great difference in the quantity of hydrogen in these two bases; the for- 
mer containing 63, and the latter 14:9 per cent. of that element, we should 
anticipate, that in the analysis of the first portions of pyridine, the hydrogen 
would be in excess if it contained caprylamine, and farther, as the bases of 
the alcohol series are stronger than those of the pyridine series, it would follow 
