exhibited by Turgescmt Pith in water . 121 
RHUBARB PITH, GAIN OR LOSS IN THICKNESS GIVEN IN 
HUNDREDTHS OF A MM. 
j Experiment 6 , 
May 18, 1887. 
Diameter =7.5 mm. 
Experiment 7. 
May 17, 1887. 
Diameter not measured. 
Time. 
Time. 
9-53 
a.im 
In air. 
2.15 p.m. 
In air. 
.56 
— 2*0 
.18 
•59 
>> 
— 1*0 
.21 
>> 
— i- 
10.0 
33 
water added. 
.24 
}> 
0-0 
.1 
» 
+ 2«o 
•25 
a 
water added. 
+ 1.0 
.26 
+ 1-0 
.2 
)> 
+ 1-0 
.28 
33 
0.0 
•3 
>} 
+ lo 
.29 
}> 
+ 2*0 
•5 
11 
+ 1-0 
•3i 
)> 
0.0 
.6 
0-0 
•37 
» 
+ 0.5 
+ 0.5 
.38 
+ o*5 
•7 
« 
+ 0.5 
•39 
>> 
— 1-0 
.8 
33 
+ 1*0 
.40 
}) 
+ 10 
•9 
» 
0-0 
.41 
0-0 
.12 
+ I.o 
•49 
»> 
0.0 
.13 
0-0 
•5* 
>) 
+ 1-0 
.21 
>} 
0-0 
3-i 
» 
0.0 
•39 
33 
— 1-0 
•4 
+ 1-0 
.40 
♦3 
O'O 
•9 
jj 
0.0 
.50 
33 
— 1-0 
.12 
3) 
— 1-0 
+ 1-0 
3.i7 
33 
— 1*0 
ii-3 
33 
— 1-0 
.20 
33 
o-o 
11.20 
33 
0-0 
- 0-5 
.24 
33 
0-0 
•39 
33 
- 0-5 
•3i 
33 
“ 0.5 
.50 
33 
- o-5 
.42 
33 
0*0 
4.2 
>3 
~ 0-5 
12.29 
p.m. 
- 0.5 
.11 
33 
- 1*0 
1.0 
)> 
0-0 
•36 
33 
— I'O 
2.13 
>, 
— 2-0 
.38 
33 
0-0 
•50 
33 
0-0 
•51 
33 
— 1*0 
3-4 
n 
-0-5 
5-5 
33 
— 1-0 
.12 
33 
0-0 
.18 
33 
~ 0-5 
.25 
! 3 
- 0.5 
•32 
33 
•0 
May 
18. 
9.28 
a.m. 
— 20-0 
Results : — Exp. 6. Transverse diameter increases by 0.09 mm. = about 1 per cent, 
then diminishes by 0.055 mm. = about 0.7 per cent. 
Exp. 7. Transverse diameter increases by 0.06 mm., then diminishes 
by 0.29 mm. 
