ILLUSTRATIONS 



TEXT FIGURES 



Fig. 1. Curve 1. Lumbang bato oil, bottled two years, heated for three 



hours at 100° C. before use. 

 Curve 2. Lumbang banucalag oil, bottled two years, heated for 



three hours at 100° C. before use. 

 Curve 3. Lumbang banucalag oil, bottled two years. 

 Curve If Lumbang banucalag oil, freshly expressed. 

 Curve 5. Linseed oil, "boiled," commercial sample. 

 Curve 6. Lumbang bato oil, freshly expressed. 

 Curve 7. Lumbang bato oil, bottled two years. 

 Cu7-ve 8. Lumbang bato oil, bottled two years, heated for fifteen 



minutes at 270° C. before use. 

 Curve 9. Lumbang banucalag oil, bottled two years, heated for 



fifteen minutes at 270° C. before use. 

 2. Curve 1. Pili oil, freshly extracted, heated for three hours at 



100° C. before use. 

 Curve 2. Cato oil, freshly extracted. 

 Curve 3. Cato oil, freshly extracted, heated for three hours at 



100° C. before use. 

 Curve U- Palo niaria de la playa oil, bottled two years. 

 Curve 5. Palo maria del monte oil, bottled two years. 

 Curve 6. Palo maria de la playa oil, bottled two years, heated for 



three hours at 100° C. before use. 

 Curve 7. Palo maria del monte oil, bottled two years, heated for 



three hours at 100° C. before use. 

 Curve 8. Calumpang oil, freshly extracted. 

 Curve 9. Kapok oil, bottled two years, heated for three hours at 



100° C. before use. 

 Curve 10. Cato oil, freshly extracted, heated at 270" C. for fifteen 



minutes before use. 



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