416 
DR. YELLOLY ON THE TENDENCY 
Calculi consisting principally of one deposit. 
Lithic acid 164 
Lithate of ammonia 55 
Oxalate of lime 21 
Phosphate of lime 5 
Mixed phosphates 35 
Calculi consisting af two deposits. 
Lithic acid and lithate of ammonia 49 
and oxalate of lime 10 
and mixed phosphates 15 
and phosphate of lime 8 
Lithate of ammonia and lithic acid 21 
and oxalate of lime 63 
and mixed phosphates 22 
and phosphate of lime 9 
Oxalate of lime and lithic acid 15 
and lithate of ammonia 3 
and mixed phosphates 20 
and phosphate of lime 7 
and silex 1 
Mixed phosphates and oxalate of lime 1 
and phosphate of lime 2 
Phosphates of lime and mixed phosphates 3 
and oxalate of lime 1 
Calculi consisting of three deposits. 
Lithic acid, oxalate of lime, and phosphate of lime . .... 2 
oxalate of lime, and lithate of ammonia 4 
oxalate of lime, and lithic acid 5 
lithate of ammonia, and oxalate of lime 2 
lithate of ammonia, and lithic acid 2 
lithate of ammonia, and mixed phosphates 2 
