APPENDIX III. 203 



9.30 to 9.50. Urine was caught, and it contained 

 no trace of iron. 



9.50. Protosulphate of iron, 6*7 grains, free from 

 persulphate was taken in two ounces of distilled 

 water. 



9.55. Urine caught and contained no iron. 



10. No iron as peroxide. Present as pro- 

 toxide. 



10.5. Slightest trace of peroxide. Protoxide 

 distinct. 



10.10. Slightest trace of peroxide. Protoxide 

 distinct. 



10.20. Slightest trace of peroxide. Protoxide 

 less distinct. 



10.30. Slightest trace of peroxide. Protoxide 

 less distinct. 



10.40. Slightest trace of peroxide. Slightest 

 trace of protoxide. 



11. Slightest trace of peroxide. No trace. 

 11.10. Slightest trace of peroxide. No trace. 

 Feb. 26. The same patient. At 8 A.M. two cups 



of black coffee and nothing else. 



10.20 to 10.30. Urine caught and no trace of 

 iron found. 



10.30 Sulphate of protoxide of iron four grains, 

 given in one ounce of distilled water. 



10.31. No trace of iron in the urine. 



10.34. No trace. 



10.35. No trace. 



10.36. No trace. 



10.37. Slightest trace of protoxide of iron in the 

 urine. No peroxide. 



