CONTENTS 



CHAP. PAGE 



Preface 5 



Acknowledgements 6 



PART I 



ANIMALS IN THE FIELD 



[Maxwell Knight) 



I The Dominant Senses 13 



II Sight — General 21 



^ III Sight — Field work and Experiments 30 



IV Hearing — General 69 



V Hearing — Field work and Experiments 76 



VI Smell — General 89 



VII Smell — Field work and Experiments 95 



VIII Taste 109 



IX Touch — General 114 



X Touch — Fieldwork and Experiments 117 



PART II 



HOW DO THE SENSES WORK? 



[L. Harrison Matthews) 



XI Senses and Nerves 125 



XII Sight 137 



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