The behaviour of experimental vole populations

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ANIMAL BEHAVIOUR, VI,

1-2

FURTHER WORK ON COLOUR-CHANGE MECHANISMS AND BACKGROUND SELECTION IN XENOPUS BY R. WHEELER Oxford

OLFACTORY THRESHOLDS FOR FATTY ACIDS IN DOGS BY D . G. MOULTON Department of Anatomy, University of Birmingham

EXPLORATION AND AVOIDANCE IN WILD AND LABORATORY RATS BY S . A. BARNETT Department of Zoology, University of Glasgow

THE BEHAVIOUR OF EXPERIMENTAL VOLE POPULATIONS BY D. CHITTY Bureau of Animal Population, Oxford

No precis of these papers were available at the time of going to press

An Extraordinary Meeting of the Association was held on 8th May, 1957, at University College, London . The following paper was read .

THE ELECTROPHYSIOLOGICAL ANALYSIS OF THE VISUAL SYSTEM IN INSECTS BY H . AUTRUM Department of Zoology and Comparative Anatomy, University of Wurzburg

No precis of this paper was available at the time of going to press .