Calendar: 1957-1958 Page 447

ANNUAL REPORT lxi Cohen and Hanson An X-ray diffraction study of F-actin Biochim Biophys Acta 21 177 1956 Cowan and McGavin Structure of poly-L-proline Nature 176 501 1955 Cowan McGavin and North The polypeptide chain configuration of collagen יי Nature 176 1062 1955 Cowan North McGavin Burge Fitton Jackson and Randall The structure of collagen recent observations and new models Proc Third Internat Congress Biochem Brussels 1955 ed Liebecq Academic Press Inc 1956 Cowan North and Randall X-ray diffraction studies of collagen fibres Symp Fibrous Proteins 115 1955 Deeley Ε An integrating microdensitometer for biological cells Sci Instr 32 263 1955 Fitton Jackson The morphogenesis of avian tendon Proc Boy Soc Β144 556 1956 Fitton Jackson and Smith Fibrogenesis of connective and skeletal tissues in the embryonic fowl Symp Fibrous Proteins 89 1955 Franklin and Gosling The structure of sodium thymonucleate fibres III The three dimensional Patterson function Acta Cryst 151 1955 Hanson Elongation of cross-striated myofibrils Biochim Biophys Acta 20 289 1956 La Cour Deeley Ε and Chayen Variations in the amount of feulgen stain in nuclei of plants grown at different temperatures Nature 177 272 1956 Randall Fine structure of some ciliate protozoa Nature 178 1956 Randall Booth Burge Fitton Jackson and Kelly Observations on native and precipitated collagen Symp Fibrous Proteins 127 1955 Richards Β Walker Μ and Deeley Ε Changes in nuclear DNA in normal and ascites tumor cells Ann New York Acad Sci 63 831 1956