( 486 ) 



O 



Fig. 1. Schematic />-/ diagram for ^-Phytosteryl-Isobutyrate. 



Fig. 2. Schematic ^-diagram for a-Phytosteryl-K-Butyrate. 



thermometric method is certainly preferable to the microscopic one, 

 because in the latter, the delicate changes in temperature cannot be 

 controlled so surely as in the first method. For this reason, the phase- 



