INTRODUCTION 



13 



Table I. — Rope made of Philippine fibers arranged in the order of mean 

 dry tensile strength, beginning with the strongest and ending with- 

 the weakest. 



[Data from King.] 



Species. 



Mean tensile strength. 



Dry. 



Per 



square 

 centi- 

 meter. 



Per 

 square 

 inch. 



Wet. 



Per 

 square 

 centi- 

 meter. 



Per 

 square 

 inch. 



ROPE MADE OF BAST FIBERS. 



Gnetuni sp. .- 



Ficus palawanensis 



Abroma fastuosa (retted) 



Malachra fasciata 



Bomhycideyidron vidalianum 



Abroma fastuosa (crude strips) 



Cor chorus olitorius 



Urena lobata 



Ficus benjamina 



Sida acuta 



Ficus pachyphylla 



Helicteres hirsiita 



Bombax ceiba 



Sterculia oblongata 



Sterculia crassiramea 



Grewia eriocarpa 



Commersonia bartramia 



Cordia cumingiana 



Pterocymbium tinctorium 



Grewia multiftora 



Artocarpus communis (old bast) 



Artocarpus com.munis (young bast) 



Goniothalamus am,uyon 



Cordia myxa 



Grewia bilamellata 



Kleinhovia hospita 



Columbia blancoi 



Sterculia stipularis ._. 



Thespesia lampas 



Pterospermum diver sifolium, 



Allaeanthus glaber 



Sterculia foetida 



Ficus forstenii 



Trema orientalis 



Kilos. 

 773 

 752 

 643 

 637 

 630 

 545 

 503 

 482 

 480 

 475 

 464 

 438 

 405 



Average 



394 

 392 

 388 

 381 

 376 

 367 

 356 

 345 

 324 

 320 

 309 

 302 



231 

 200 

 154 

 134 



406 



Pounds. 



11,100 

 10,700 

 9,100 

 9,030 

 8,940 

 7,760 

 7,130 

 6,850 

 6,830 

 6.740 

 6,600 

 6.230 

 5,720 

 5,650 

 5,660 

 5.630 

 5,580 

 5,500 

 5,420 

 5,360 

 5,220 

 5,070 

 4,940 

 4,610 

 4,570 

 4,370 

 4,270 

 3,800 

 3,800 

 3.740 

 3,290 

 2,840 

 2.200 

 1.920 



5.770 



Kilos. 



1.000 

 766 



543 

 468 

 319 

 360 

 366 

 471 

 502 

 544 

 396 

 351 

 291 

 308 

 381 

 266 

 364 

 435 

 332 



Pounds. 



14,500 

 10.900 



340 

 293 

 263 

 180 

 286 

 306 

 366 

 291 

 261 

 253 

 200 

 222 

 262 



375 



7.700 

 6,670 

 4.530 

 5.100 

 5.200 

 6.700 

 7.190 

 7.760 

 5.620 

 4.960 

 4.130 

 4,380 

 5,450 

 3,780 

 5,160 

 6,180 

 4,730 



4,830 

 4.180 

 3.730 

 2.570 

 4.070 

 4,340 

 5,200 

 4,130 

 3,690 

 3,590 

 2,840 

 3,160 

 3,720 



