Irene S. Forrest

Enzymatic hydrolysis of O, O-diisopropyl thionothiolphosphate.

Abstract The K salt of the diisopropyl ester of thionothiolphosphoric acid, SP(OH) 2 (SH), is subject to enzymatic cleavage whereby isopropyl alcohol is split off.

Urinary Test for Imipramine

Achromobacter Anitratus SIR,-We are grateful to Dr. George X. Trimble (July 2, p. 71) for drawing our attention to the article by Drs. H. Rocha and L. B. Guze, which we had not noticed. The three cases reported are most interesting. We still maintain that the conclusive evidence we found at necropsy, and which has not been described before, makes our report the first which establishes this organism as an undoubted pathogen.-We are, etc.,