Intertransformability of Salmonella Simsbury and Salmonella senftenberg . ∗

Abstract

Summary

By growth in serums it was possible to change S. Simsbury (I,III,-XIX:z₂₇) S. Simsbury to S. senftenberg(I,III, XIX:g,s,t) and viceversa. The change was accomplished without difficulty but the reverse was done only by first transforming the H antigens to a hitherto unrecognized form (Z₃₄) and then changing them to Z₂₇. It is recommended that S. Simsbury be dropped from the classification and that the formula of S. senftenberg be written