Foreword by Sir Peter Medawar, FRS Introduction References to the Original Papers Section I: Observational and Interpretative Studies Author's notes 1. Comparative studies of the behaviour of gulls Section II: Field Experiments Author's notes 2. The homing of Philanthus triangulum 3. How Philanthus finds its prey 4. Landmark preference by homing Philanthus 5. The behaviour of the Grayling butterfly 6. Egg shell removal by the Black-headed Gull. I 7. Egg shell removal by the Black-headed Gull. II 8. Egg shell removal by the Black-headed Gull. III 9. Food hoarding by the Fox 10. Living scattered as a defence against predation
Niko Tinbergen is one of the grand masters of ethology, and the papers published here are among its most important documents: they are a source-book for students of animal behaviour and will give the historian of ideas an insight into the early days of one of the most influential movements in modern science. -- Sir Peter Medawar
Nikolaas Tinbergen is a Fellow of the Royal Society, and a Professor of Animal Behviour and Fellow of Wolfson College, Oxford. He was co-recipient of the 1973 Nobel Prize in Physiology or Medicine.
The publication of the Tinbergen papers is a service to a large and growing audience if scholars. These articles are not only of considerable historical value lout to a remarkable extent retain their usefulness as a primary Source if data and ideas. -- Edward O. Wilson Professor of Zoology, Harvard