July, 1030 HYDROGENATION OF HYDROXYAMIDES 10'75 the filtrate, on standing at room temperature, well-shaped, pointed prisms commenced to form which, after recrystallization from methyl alcohol containing a little amyl alcohol, had mp 69” and [C~]~ OD 92.8” in water solution. The substance was, therefore, identical with Purves and Hudson's “crystalline gamma-methylfructoside.” The ethyl acetate-insoluble substance (B) was again extracted ...