590 Philippine Journal of Science 1919 
TABLE XI.—Physical tests of rope made from the bast of Kleinhovia hospita. 
[Rope made at Disdis, Benguet Subprovince.] 
Mean diameter: 
Millimeters 12.4 
Inches 0.49 
Mean perimeter, or girth: 
Millimeters - 39 
Inches 1.54 
True mean sectional area: 
Square millimeters 116.6 
Square inches 0.181 
Ultimate tensile strength (dry): 
Mean in kilograms 360 
Maximum in kilograms 403 
Minimum in kilograms 299 
Mean in pounds 793 
Maximum in pounds 890 
Minimum in pounds 660 
Ultimate tensile strength (wet): 
Mean in kilograms 334 
Maximum in kilograms | 435 
Minimum in kilograms 272 
Mean in pounds 737 
Maximum in pounds . 960 
Minimum in pounds 600 
Mean ultimate tensile strength per unit area (dry): 
Kilograms per square centimeter 309 
Pounds per square inch 4,370 
Mean ultimate tensile strength per unit area (wet): 
Kilograms per square centimeter 286 
Pounds per square inch 4,070 
Mean elongation at instant of rupture: 
Dry (per cent) 13 
Wet (per cent) 13 
Mean weight per unit length: 
Grams per meter 92.9 
Pounds per foot 0.0625 
Average breaking length: 
Meters | 3,870 
Feet 12,700 
Moisture (per cent) 14.49 
PTEROSPERMUM DIVERSIFOLIUM BI. Bayok. 
Local names: Baloi and bdéroi (Abra, Ilocos Sur, Pangasinan, Tarlac) ; 
baroi (Abra, Benguet, Ilocano, Itneg); bayog-bayédg (Zamboanga) ; bayég, 
bayok, or bayok (Bataan, Batangas, Camarines, Catanduanes, Cavite, Co- 
tabato, Laguna, Masbate, Mindoro, Negros, Nueva Ecija, Palawan, Pam- 
panga, Rizal, Tayabas, Ticao, Zambales, and Zamboanga) ; biyug, bayong 
(Tayabas) ; dibudl (Basilan) ; talitgaan (Ilocos Norte). 
