142 TIMBER AND TIMBER TREES. [cHap. 
TABLE LXV. 
Tensile Experiments. 
Number , : F Weight the Direct 
of the Dimensions of Specific piece broke | cohesion on 
specimen. each piece, gravity. with, 1 square inch. 
Inches. Ibs. Ibs, 
4 987 30,240 7,560 
5 972 29,120 7,280 
6 2x2 30 1080 34,720 8,680 
7 954 20, 160 5,040 
8 TII5 42,000 10,500 
Total . 5108 156,240 39,060 
Average . 1021°6 31,248 7,812 
E = 832990. S = 3264. 
The following woods are also found in the Philippine 
Islands, namely— 
Lauan, 
Banaba, 
Dougon, 
Ypil, 
Lacolaco, 
Acle, 
Tindalo (two sorts), 
Diladila, 
Yacal, 
Oe Saw Og Sw bv 
- 
Il. 
12. 
13. 
14. 
15. 
16. 
17. 
18. 
19. 
Mangachapuy, 
Karra, 
Guigo, 
Camayuan, 
Malatapay, 
Palo Maria, 
Mapilia, 
Mambog, 
Bolongnita, 
and some of them are considered to be of a very useful 
description, Nos. 2 and 7 especially so. 
The Lauan timber (No. 2), after some experiments 
had been made on specimens 0°39371 inches square by 
39°371 inches in length, with the following results, was 
