Indian Forest Records. 
[VoL. IX. 
of liquid and solid acids thus obtained were separated either by frac* 
tional distillation of the methyl esters or by fractional crystallisation of 
the salts. As has been found by other investigators the ester method 
proved to be very satisfactory especially in the case of the solid acids. 
The separation of the liquid fatty acids offered greater difficulty and the 
separation was most conveniently followed by determination of the 
iodine value. 
The authors wish to take this opportunity of expressing their 
thanks to the various Forest Officers who have supplied them with 
material and especially to Mr. Robertson without whose assistance it 
would have been impossible to have carried out this investigation. 
r 96 ] 
