390 KESULTS OF ANALYSES OF GALL-STONES. [BOOK II. 



Maly found another calculus of the ox to contain 45 per cent, of 

 bilirubin. These calculi contained no cholesterin. 



Phipson analysed a similar concretion from the pig, with the 

 following results : 



Water in 100 parts 8'00 



Bilirubin 61/36 



Ether extract (fat and cholesterin) T35 



Hyoglyeholate of sodium 2 '7 5 



Mucin 11 '50 



Mineral matters 13'65 



III. Calculi rich in Mineral Matter. 



The following is the analysis by Bitter of a calculus weighing 

 1*36 grms. found in the gall-bladder of an aged woman : 



Cholesterin in 100 parts 0*4 



Bilirubin 0'6 



Biliprasin (?) 0'8 



Bilihumin ' 12'8 



Matters soluble in water 2*3 



Calcium carbonate 6 4 '6 



Calcium phosphate 12'3 



Ammoniaco-magnesium phosphate 3'4 



Mucin and loss 2'S 



