1919 
588 Philippme Journal of Science 
Table X. — Physical tests of rope made from the bast of Helicteres hirsuta. 
[Rope made at Disdis, Benguet Subprovince.] 
Mean diameter: 
Millimeters 
11.2 
Inches 
0.44 
Mean perimeter, or girth : 
Millimeters 
35 
Inches 
1.38 
True mean sectional area: 
Square millimeters 
78.6 
Square inches 
0.122 
Ultimate tensile strength (dry) : 
Mean in kilograms 
345 
Maximum in kilograms 
404 
Minimum in kilograms 
306 
Mean in pounds 
761 
Maximum in pounds 
890 
Minimum in pounds 
675 
Ultimate tensile strength (wet) : 
Mean in kilograms 
311 
Maximum in kilograms 
331 
Minimum in kilograms 
277 
Mean in pounds 
685 
Maximum in pounds 
730 
Minimum in pounds 
610 
Mean ultimate tensile strength per unit area 
(dry) : 
Kilograms per square centimeter 
438 
Pounds per square inch 
6,230 
Mean ultimate tensile strength per unit area 
(wet) : 
Kilograms per square centimeter 
396 
Pounds per square inch 
5,620 
Mean elongation at instant of rupture: 
Dry (per cent) 
13 
Wet (per cent) 
13 
Mean weight per unit length : 
Grams per meter 
87.4 
Pounds per foot 
0.0587 
Average breaking length: 
Meters 
3,950 
Feet 
12,950 
Moisture (per cent) 
12.71 
KLEiMHOVIA H03PITA Linn. Tanag. 
Local names: Bafe nga bunsung (Nueva Vizcaya) ; bantana (Guimaras) ; 
biknong (Union, Zambales) ; biluan, lapnis, malobago (Negros) ; biluan 
(Occidental Negros) ; binong (Nueva Ecija, Pangasinan) ; binunga (Ba- 
taan) ; bitanag (Agusan, Surigao) ; bitnong (Ilocano) ; bitondg (Visayan) ; 
bitonog (Lanao) ; butnong, taloktok (Ilocos Norte) ; hamitanago (Visayan) ; 
hunung (Cagayan) ; magindanau, tamanag (Cotabato) ; malibago (Pala- 
wan) ; marakapas (Ilocos Sur) ; pampar, panampa,t (Panipanga) ; tandg 
