Calendar: 1961-1962 Page 458

ANNUAL REPORT lxxvii Wilkins Μ Discussion of The structure of the nucleic acids and related substances by Crick Spec Publications of the New York Academy of Sciences Vol 1957 180-85 Wilson Perceptual anomalies associated with single contour Nature 187 1960 137 Zubay and Wilkins Μ X-ray diffraction studies of the structure of ribosomes from escherichia coli Mol Biol 1960 105-12 DEPARTMENT OF ZOOLOGY Arthur The ticks of Israel Part II Bull Res Coun Israel 9B 35-40 review of some ticks Acarina Ixodidae of sea birds Part II The taxonomic problems associated with the Ixodes auritulus- percavatus group of species Parasitology 50 199-226 review of some ticks Acarina Ixodidae of sea birds PartHI re-description of the male of Ixodes kerguelenensis Andre Colas-Belcour 1942 Parasitology 50 227-9 with Clifford Ixodes bakeri new species of tick from Nyasaland Ann Washington Entomological Society In press monograph of the Ixodoidea Part Cambridge University Press 251 pp 510 figs plates Ticks in the Human Economy International Series of Monographs in Pure and Applied Biology Pergamon Press In press Barnard Measurements in cell nuclei of specific bondings in nucleo- protein In The Cell Nucleus Symposium pp 222-6 Butterworth London Quantitative cytochemical observations on specific nucleo- protein reaction in cell nuclei Nature 186 447-9 Acylation and diazonium coupling in protein cytochemistry with special reference to the benzoylation-tetrazonium method In General Cytochemical Methods Vol II Academic Press New York In press with Stein The histidine residue in the active centre of ribonuclease specific reaction with bromacetic acid '5 Molecular Biol 339-49 with Stein The histidine residue in the active centre of ribonuclease II The position of this residue in the primary protein chain Molecular Biol 350-8