PREFACE 
It may be said that some of the subjects of these 
notes are not obviously part of life at the Zoo, and 
this remark would be well founded. They have in 
the writer’s mind a connection with the Zoo, which 
perhaps is not obvious, and might not appeal to the 
majority of readers, and would certainly take more 
time to set out than its value warrants. So that if 
any reader or critic cares to press the point, he is 
prepared to say at once, mea culpa . 
The chapters on Animal ^Esthetics, dealing with 
the sensibility of the inmates of the Zoo to music, 
will be found under the title of “ Orpheus at the 
Zoo,” by which they originally appeared in the 
Spectator , to the editors of which paper the author 
owes his thanks for suggesting many subjects of 
interest at the Zoo which would not have occurred 
to him, and for their kind permission to publish these, 
as well as other chapters in an extended form. He 
