Calendar: 1951-1952 Page 405

ANNUAL REPORT xlix Duncanson and Coulson Atomic Binding Energies Nature 164 1003 1949 Fischer Inga Studies of the Hydrogen Bond III Ark Fysik no 23 1949 Jacobs Juliane Excited Electronic Levels in Conjugated Molecules III Energy States of Napthalene Proc Phys 80c 62A 710 1949 March Ν An Improved Approximate Analytic Solution of the Thomas- Ferrin Equation for Atoms '' Proc Camb Phil Soc 46 356 1950 Nuclear Physics Perkin The Angular Distribution of Protons from the Reaction Phys Bev 79 1752 1950 Ray Pair Production in different elements by γ-Rays Proc Phys Soc 62A 499 1949 Atmospherics Chapman On the Wave-form of Atmospherics due to Thunder-cloud Discharges For the Proceedings of the IXth General Assembly of the International Scientific Radio Union 1950 Chapman and Edwards Some Observations on the Frequency Spectrum of Atmospherics Ibid General Physics MacKay Quantal Aspects of Scientific Information Phil Mag 41 289 March 1950 DEPARTMENT OF CHEMISTRY Adams Α and Hey Arylamino- dialkylaminoalkylamino -derivatives of Quinaldine and Lepidine Journ Chem Soc 1949 Adams Mrs Hey Mamalis and Parker Some Phenylpyridines and -quinolines Journ Chem Soc 1949 Ansell and Hey The Preparation of α-Substituted Glutaric Acids Journ Chem Soc 1950