Crowngall of Rumex crispus L. and Rheum rhaponticum L. H.H. Muncie pages 315-322

The Oxidation of Phenylmagnesium Bromide in the Presence of Tetraethyl Lead. Henry Gilman and J.A. Leerrmakers pages 323-324

Phosphorus Assimilation by Certain Soil Molds. P.E. Brown and F.B. Smith pages 325-330

The Biological Estimation of Glucose. I. A Study of Factors Influencing Changes in H-Ion Concentration. Amy Le Vesconte with J.H. Buchanan and Max Levine pages 331-342

The Normal Variability of the Sex-Ratio in the Guinea Pig. R. G. Schott and W.V. Lambert pages 343-350

The Effect of an Excess of Masgnesium on the Volume of Gas Liberated Incidental to the Preparation of Some Alkylmagnesium Halides. Henry Gilman and Robert. E. Fothergill pags 351-354

The Peparation of Furylacrylic Acid. Henry Gilman, R.E. Brown, G.F. Wright, and A.P. Hewlett pages 355-358