Aid Scientific Intelligence. 
represented by the formula 3DiO, SOs. The double sulphates of 
idymi nd soda, are respectively repre- 
sented by the formulas NH4O, 803+3(DiO,SOs)+8HO, KO, SOs+- 
XXXvili, ‘ 
6. Regeneration of Hippuric Acid.—Dessatenes has succeeded in re- 
producing the hippuric acid from benzoic acid and glycosin, by causing 
the oxychlorid of benzoyl, to act upon glycosin-zinc oxyd. ‘The reaction 
1s represented by the equatio 
chonine, is isomerie with it. The sulphate of quinine treated in the 
sainé manner, yields another new base isomeric with quinine, hh 
