OXALATE OF LIME. 



65 



The dumb-bell crystals of oxalate of lime, so called, are probably 

 the oxaluret of lime Figs. 30 and 31. (Bird.) 



Fig. 26. 



Octohedral crystals of oxalate of lime. 



Fig. 28. 



Oxalate of lime. 

 Fig. 30. 



Oxaluret of lime dumb-bell crystals. 



Fig. 27. 



Oxalate of lime. 

 Fig. 29. 



Oxalate of lime octohedral crystals, dried. 



Fig. 31. 



Oxaluret of lime dumb-bell crystals. 



The oxalate of lime increases in the urine after the use of vege- 

 table food ; and of beer which contains much carbonic acid gas, and 

 the alkaline bicarbonates and vegetable acid salts. It often appears 

 in the urine of pregnant women, and very constantly on the mucous 

 membrane of the pregnant uterus. Lehmann finds that it increases 

 5 



