Electron microscopic observations on the excretion of cell-wall material by Vibrio cholerae.

PAGE Electron Microscopic Observations on the Excretion of Cell-wall Material by Vibrio clrolerue. . . . . . . . . . . . Anomalous Diffraction of Gram-positive Bacteria. By P. J. ORIEL . . . . . Electron Microscopic Anatomy of Motile-phase and Germinating Cells of Derinntophilus cangolensis. By J. L. RICHARD, A. E. RITCHIE and A. C. PIER . . . . . . Isolation and Some Characteristics of Haemin Dependent Mutants of Bucillirs subtilis. By T. J. ANDERSON and G. IVANOVICS . . . . . . . . . . Loss of Type Antigen in a Type I11 Streptococcus and Identification of the Determinant Disaccharide of the Remaining Antigen, By J. M. N. WILLERS and G. H. J. ALDERKAMP. With A Note on the Nomenclature of Certain Polysaccharides Resembling the Group Antigens of Streptococci. By M. F. MICHEL, C. E. DB MOOR, H. OTTENS, J. M. N. WILLERS and K. C. WINKLER . . . . . . . . . . . . . Analysis and Comparison of the Carotenoids of Sarcina fluva and S. luteu. By D. THIRKELL and R. H. C. STRANG Studies on Filamentous Forms of Bacillus cereus Strain T By A. WAHREN, T. HOLME, A. HAWMARK and P.-G. LUNDQWT By S. N. CHATTERJEE and 3. DAS