112 Scientific Intelligence. 
perfectly with those of the mineral species. The author points out the 
interesting fact that the atomic volumes of this compound and the cor 
responding borate already described are almost identical, viz., 1338 
with an excess of salt of phosphorus, yielded long gree” 
ish transparent prisms. The author proposes to examine these acid 
e Physique, xxxih 
is to be added in single small fragments. The formation of the cty* 
bes are to be isolated by digesting them alternately with concentt® 
ted caustic potash and chlorobydric acid, and then well washed with 
water and dried. The density of the crystals was found to be 6617, 
er cent. of tungstic acid wine to Wobler’ 
Oz, WOs+-NaQWOs.—Ann der Chemie und Pharmacie, |xxix, 22) 
the electric current ; analysis gave | 
hes | shier’s-formulds 
