Humcm Calculi » 
The remains of each 
Unfublimed. Undiflolved. 
Grains. Grains. 
3- 
4* 
5 - 
6 . 
7 - 
8 . 
9 - 
10 . 
1 1. 
12 . 
* 3 - 
* 4 - 
appearances 
ii 
3 
3 
at. 
2 
t 
1 
i| 
2 
i 
0 
3i 
2§ 
3t 
6 
6 
8| 
H 
61 
61 
7§ 
i 
i 
t 
A- 
0 
Si 
4 
6 
Si 
each after Calcination. 
z%S, 
N° I. 3. 7. 8 . left a fine white and foft powder.. 
H° 4. 5. 11. 12. left a white and gritty powder. 
N° 2. 6. 9. 10. 14. were partly in powder white and gritty, 
with fome lumps of a dark colour, as if not fully calcined. 
N* 1 3. Of this the figure was not greatly altered ; it remained 
hard, and part of it appeared as if inclined to flux. 
' 
After being in the lixivium forty-eight hours. 
N° 8. 9. 13. 14. were found foft. 
N° 7. and 10. remained hard. 
Vol. LXXXI. H h Thefe 
