CYSTINURIA 539 



and its fellow also began to show symptoms. The X-ray showed no 

 calculi anywhere, nor did the urine contain anything abnormal save a 

 few cystin crystals. An attempt was made to determine the amount of 

 cystin secreted, but the maximum values found were not sufficient. It 

 was easier to determine the number of crystals in the sediment of each 

 portion of urine passed, in the hope of causing, them to vanish. Treat- 

 ment consisted of bed rest, milk diet, bicarbonate of soda. Cystinuria 

 was greatly benefited, but there was a possibility that other kinds of stone 

 would develop. 





