1 List of Abbreviations

Introduction 1 Between Ontology and Ethology 1

1 1 Jakob von Uexkull's Theories of Life 7

2 1 Marking a Path into the Environments of Animals 39

3 1 Disruptive Behavior: Heidegger and the Captivated Animal 65

4 1 The Theme of the Animal Melody: Merleau-Ponty and the Umwelt 115

5 1 The-Animal-Stalks-at-Five-O'Clock: Deleuze's Affection for Uexkull 151

1 Conclusion: Uexkull and Us 187

1 Bibliography 207

1 Index