504 
PROFESSOR W. N. HARTLEY ON THE 
A. solution which had been kept for about six months and had evidently become 
altered. 
0'1 grm. in 25 cub. centims. of alcohol of sp. gr. 0'8, and 5 cub. centims. of acetic acid 
or 1 in 250. 
Thickness of 
layer of liquid. 
Description of spectrum. 
Wave-lengths. 
millims. 
5 
Faint to. 
4376 
4 
Feebly continuous to. 
4340 
3 
Feebly continuous to. 
4340 
2 
Feebly continuous to. 
4340 
1 
Weak, continuous to. 
4255 
This substance gave a blue fluorescence similar to pseudaconhine and apomorphine- 
hydrochloride. 
2 cub. centims. of the last solution diluted to 8 cub. centims. =1 in 1000. 
Thickness of 
layer of liquid. 
Description of spectrum. 
Wave-lengths. 
millims. 
4 
Weak, continuous to. 
3994 
3 
Continuous to. 
3994 
2 
Continuous to. 
3825 
1-8 
To wave-length 3600 the spectrum is 
discontinuous. 
Continuous to. 
3825 
1-6 
To wave-length 3600 the spectrum is 
feeble and discontinuous 
Continuous to. 
3825 
1-4 
Continuous to. 
3825 
Absorption band from. 
3456 to 2740 
Rays transmitted to. 
2740 
1-2 
Continuous to. 
3825 
Rays are transmitted as far as wave¬ 
length 3456, but the spectrum is 
not continuous. 
Absorption band from. 
3456 to 2740 
Rays transmitted to. 
2740 
1 
Continuous to. 
3600 
Weak, but not continuous, to 
2709'5 
