Calendar: 1971-1972 Page 497

cxxii Annual Report of the Delegacy Kingston Hafele and Fulmer 'Target spin dependence observed in 50 MeV 3He elastic scattering Physics Letters 1970 31B 17 Lightowlers Mobsby and Davies 'Intrinsic recombination radiation from gallium phosphide Bull Amer Phys Soc 1970 15 348 Potts Price Lempka and Streets 'Photoelectron spectra of the halides of the elements in groups ΙΠ IV and VI Phil Trans Roy Soc 1970 268 59 Price Brundle Evans Potts and Streets 'The electronic structure of N02 studied by photoelectron and vacuum spectroscopy Chem Phys 1970 33 705 Sherman and Smulovitch 'Pressure-scanned Fermi resonance in the spectrum of the ammonium ion isolated in CsBr Chem Phys 1970 32 5817 Sinha and Edwards 'The neutron excess distribution of Pb208 Physics Letters 31B 1970 273 Smith and Guttmann 'Correlations in the one-dimensional Ising model with random coupling constants Phys 1970 L109 Thomas 'The real part of the optical model potential at 30 and 50 MeV Proc of International Conference on Nuclear States Montreal 1969 741 Thomas and Burge 'Differences in optical model parameters between pairs of isotopes as found from difference functions of scattering data Nuclear Physics 1969 A128 545 Thomas Burge and Smith 'Proton elastic scattering from 63Cu and 65Cu at 30 and 50 MeV Proc of International Conference on Nuclear States Montreal 1969 741 Trefler and Wilkinson 'Motion of ammonium ions in non-cubic crystal sites Disc-Faraday Soc 1970 48 108 Williams Lightowlers and Collins 'Impurity conduction in synthetic semiconducting diamond Phys Solid State Physics 1970 1727 Ά Hall effect measurements on synthetic semiconducting diamond Diamond Research 1970 Supplement to Industrial Diamond Review 23 DEPARTMENT OF ZOOLOGY Arthur On editorial board International of Environmental Sciences