122 



Scientific Proceedings (99). 



by substituting casein for corn starch, and in ten days had gained 

 ten grams. 



Another animal which had developed edema on the original 

 low protein diet with the double salt mixture was cured with a 

 diet the same in every respect except for the increased protein 

 content. 



That the low protein diet is adequate except for its protein 

 content is shown by the fact that rats kept on this diet with 18 

 per cent, casein substituted for 18 per cent, corn starch grow 

 normally, are active and in general good condition. 



From the above observations and other experiments that are 

 being conducted at the present time, it appears that "war dropsy" 

 is not due to a vitamine deficiency as has been suggested by some, 

 but is due to insufficient protein. 



