248 
Proceedings of the Royal Society of Edinburgh. [Sess. 
Table XI. 
Field. 
Load in kilos, 
per sq. mm. 
Elongation for 
500 grams. 
No. of 
Observations. 
M. 
4-6 
10-6 
•02785 cm. 
9 
14-50 xlO 11 
13-25 
•02707 
8 
14-92 
15-9 
•02638 
6 
15-31 
17-9 
•02611 
8 
15-47 
19-9 
•02607 
7 
1549 
23*8 
•02690 
9 
15-01 
27-0 
•02848 
10 
14T8 
29-1 
•02958 
10 
13-65 
27-0 
•02948 
8 
13-70 
23-8 
•02809 
8 
14-38 
19-9 
•02495 
8 
16T9 
17-9 
*02451 
8 
16-48 
15-9 
•02495 
8 
16T9 
13-25 
•02667 
7 
15T4 
10-6 
•02785 
8 
14-50 
Table XII. 
Field. 
Load in kilos, 
per sq. mm. 
Elongation for 
500 grams. 
No. of 
Observations. 
M. 
73 
10-6 
•02807 cm. 
8 
14*38 xlO 11 
13 25 
•02725 
10 
14-82 
15-9 
•02711 
8 
14-90 
17-9 
•02723 
7 
14-83 
199 
•02749 
6 
14-69 
23*8 
•02828 
6 
14-28 
27*0 
•02918 
8 
13-84 
29-1 
•02956 
8 
13-66 
27-0 
•02958 
9 
13-65 
23-8 
•02885 
10 
13-97 
19-9 
•02714 
10 
14-88 
17*9 
•02648 
9 
15-25 
15-9 
•02650 
8 
15-24 
13-25 
•02690 
8 
15-01 
10-6 
I 
•02807 
7 
14-38 
