Bygrometry. 
409 
II. Table of comparative changes in the weight 'and in the 
length of the fame fibftances , byjhe fame increafes of moif- 
ture, correfpondent to the march of the flip of whalebone 
from $ to $ of its degrees . 
WHALEBONE. 
HAIR 
ALOES-PITTA. 
Increafes of 
March of 
Increafes of 
March of 
Increafes of 
March 
the weight 
the flip. 
the weight 
the hair. 
the weight 
of the 
in (havings. 
in a mafs of 
in a mafs of 
thread 
hair. 
pitta. 
of pitta. 
Exty\ drynefs 0.0 
O y. 
0.0 
0*0 
0.0 
0.0 
6.0 
5 
4.8 
* 5-7 
6.0 
20.6 
1 1.8 
10 
8.8 
29.0 
11. 8 
35 '* 
1 7*3 
12.5 
40.0 , 
x 7*3 
51.6 
22.2 
20 
i 5-9 
50.4 
22.2 
57*6 
26.8 
25 
19.1 
59-7 
26.8 
7 S- 6 
3*-2 
3O 
22.2 
67 -S ■ 
3 1 - 2 
71.9 
35-2 
33 
26.6 
74.4 
354 
76.3 
39-7 
40 
29.0 
79-3 
39-7 
.83.0 
44.0 
45 
32.0 
8 3-3 
44.0 
86.6 
48.1 
5° 
35-0 
88.0 
48a 
93.6 
52.1 
55 
38.2 
90.0 
52.1 
96.5 
57 - 1 
60 
43 >3 
92.8 
57 -i 
94-7 
61.7 
65 
49.8 
94 - 1 
61.7 
98.2 
66.3 
70 
55-3 
954 
66.3 
ICO.O 
71.9 
75 
61.9 
97.6 
7 I *9 
99*2 
77.6 
80 
68.7 
100.0 
77.6 
98.2 
* 83.2 
85 
* 76.0 
99-5 
* S3. 2 
96.8 
* 88 8 
90 
* 84.0 
99.2 
* 88.8 
94.1 
* 94-4 
95 
* 92.0 
98.6 
* 944 
9 X *9 
In water * 100.0 
100 
*100.0 
97-7 
*100.0 
00 
CO 
cA 
89. In the above, and in the following experiments* the 
operation of fucceffively introducing moijiure into the veffel was 
flopped, when the flip of whalebone was at 80, as beyond that 
term the fmalleft difference in the temperature between the parts 
of the apparatus creates great anomalies ; therefore the fol- 
Vol. LXXXI. Hhh lowing 
