1 Table of Contents: “.... Inactivation of Viruses -- B. Mutation -- VI. Reproduction of Viruses and Viral Constituents -- A. Virus...”

2 Table of Contents: “... to “Adrenodoxin” -- Reaction of some transition metals with nucleic acids and their constituents -- A perturbation...”

3 Table of Contents: “... Resin Constituents -- References -- The Pseudoguaianolides -- I. Introduction -- II. Pseudoguaianolides...”

4 Table of Contents: “.... Structural Constituents of Cells -- 4. 13c Labelled Enzymes: Dihydrofolate Reductase -- 5. Concluding Remarks...”

5 “... of the materials, the chemical analysis of the constituents and their structure, and, finally, the assays...”