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PREFACE
In this little book the author recounts, first hand, a number of instances—out of many more known to him—illustrating the evolution of the mental and moral faculties in lower animals. Animal behaviour is a study which at all times gives much pleasure and amusement; but its supreme importance and interest is found in the fact that it places in our hands the master-key which unlocks the secrets regarding the Evolution of Human Morality.
C. J. PATTEN.
The University, Sheffield.