Calendar: 1957-1958 Page 449

ANNUAL REPORT lxiii Domb and Sykes On metastable approximations in co-operative assemblies י Proc Roy Soc Α 235 247 1956 On high temperature expansions in the Heisenberg theory of ferromagnetism Proc Phys Soc 69 486 1956 Elton high energy approximation for relativistic scattering cross sections Paper given at the Washington meeting of the American Physical Society April 1956 Fisher Μ On the continuous solution of integral equations by an electronic analogue 5' Proc Camb Phil Soc In press Higher order differences in the analogue solution of partial differential equations Assoc for Computing Machines In press Zucker On the intermolecular potentials of the inert gases from solid state data Chem Phys In press Atmospherics Chapman On the waveform and audio-frequency spectrum of atmospherics Report of symposium on very low frequency radio waves Electro- physical Institute Munich October 1955 Chapman and Macario Propagation of audio-frequency radio waves to great distances Nature 177 930 1956 Edwards The effect of atmospherics on tuned circuits Brit Inst Radio Engineers 16 31 1956 DEPARTMENT OF ZOOLOGY Arthur Haller's organ in Ixodes kerguelenensis Andre and Colas Belcour 1942 Acarina Ixodidae Ent Mon Mag 91 217-219 Bell Production of abnormal metamorphosis in Tunicate Nature 175 1001 Effect of chloretone on tunicate embryos Nature 175 1048 The preservation of tissues Laboratory Practice Freeze-drying Chapter in Vol Ill of Physical techniques in biological research ed Oster and Pollister Academic Press New York