102 



The Philippine Journal of Science 



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Pure Lugga olive oil from Bureau of Science 

 storeroom. 



Cotton seed oil from Bureau of Science store- 

 room. 



Castor oil from Bureau of Science storeroom 



Unfiltered oil from grated meat, freshly dried 

 and pressed (Feb. 16. 1917). 



Filtered oil from grated meat, freshly dried 

 and pressed (Jan. 20. 1917). 



Oil from grated meat, freshly dried and 

 pressed, filtered three times through Ful- 

 ler's earth, not sterilized; in open container. 



Oil from machine-dried copra (copra one and 

 one-half years old). 



Oil from grated meat, freshly dried and press- 

 ed (air space over oil). 



Oil 32, neutralized with NaOH, washed and 





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