292 



TABLES. 



TABLE X.—[C'onanued. 



* In the dry substance, t Present. 1 Possibly pi-esent. (1) Free acid, esti- 

 mated as malic acid, 1.0— 20.0; averas;e 8.6.— (2) Oxalic acid, 58— 80 ; avera£rc 60. 

 Uric acid present.— (3) Fluorine, traces. Sand 8— 47— (4) Insoluble siiicatea 

 and sand, 50— S50. 



