300 



THE SECRETIONS: 



The whole amount of the different constituents discharged in 

 twenty-four hours was as follows : 



Solid constituents , 3 oz. 



Urea 

 Uric acid 

 Fixed salts 

 Extractive matters 



365 grs. 

 11 -2 grs. 

 425 grs. 

 loz. 139 grs. 



[The following analysis of diabetic urine has been made by 

 Dr. Reich, i The particulars of the case are not recorded : 



Water 



Solid constituents 

 Urea 



Hippuric acid 

 Sugar 



Water-extract 

 Alcohol-extract 

 Mucus 

 Albumen 



Chloride of potassium 

 Chloride of sodium 

 Chloride of ammonium 

 Sulphate of potash 

 Phosphate of soda 

 Phosphate of lime 

 Silica 



907-88 

 98-12 



8-27 

 0-04 



56-00 

 5-60 



16-36 

 0-54 

 0-58 

 0-30 

 0-84 

 0-66 

 0-26 

 2-15 

 0-46 

 0-86 



The hippuric acid was determined by evaporating the urine 

 to one eighth of its volume and treating it with hydrochloric 

 acid, when that constituent was thrown down as a white deposit. 



An instance in which diabetic urine occurred in a state of 

 extraordinary concentration has been observed by Bouchardat. 

 Its composition is given below. The three other analyses were 

 made by Dr. Percy; the cases are fully recorded in the London 

 Medical Gazette for 1844. 



Bouchardat. 



Water . . 837-58 



Solid constituents . 162-42 



Urea . . 8-27 

 Uric acid 



Sugar . . 134-42 

 Extractive matters aud salts 20-34 "I 



Earthy phosphates . 0-38 J 



Lehmann 2 has made two minute analyses of diabetic urine ; 

 he found neither albumen, urea, nor uric acid in it, but a 

 1 Simon's Beitrage, p. 545. 3 De diabetica urina. Dissert, inaug. 



