I should like to express my thanks to the following: to F. C. Bawden, under whose auspices the work was carried out, and N. W. Pirie, for advice; to P. H. Gregory for potato samples and help in planning the experiments; to H. M. Sinclair for a culture of Phycomyces blake8leeanus; to my brother, A. P. Meiklkjohn, for calling my attention to the possibilities of the method, and to E. M. Crook and D. J. Higgons for supplies of solanin6 and solanidine.

No abstract

No abstract

No abstract