ALIMENTATION". 81 



glycogen in the liver, a viscus which likewise serves as a 

 reservoir for oil, healthily in fishes, and more or less patho- 

 logically in man; but there is no proof that grape sugar can 

 be converted into oil, nor that either oil or sugar is changed 

 into any more complex substance. It is quite possible that 

 the fattening effects which the carbohydrates often have, 

 may be produced by their saving from oxidation oil which 

 would otherwise be consumed in their stead. Certain it is 

 that, in dieting the sick, the use of the carbohydrates is not 

 found to be equivalent to the use of oils. 



14 F 



