REVIEWS AND EXCHANGES 135 
the gun. It is sad to be reminded of the cutting down of seven 
hundred trees, mostly elms, in Kensington Gardens in 1880, 
which entailed also the loss of the last rookery of inner London ; 
but as a countervailing gain we are told of the increase of our 
wood-pigeons, and of the moor-hen, and the dab-chick. In fact, 
as Shirley Hibberd wrote in 1865, “ London is far richer in birds 
than it deserves to be.” Mr. Hudson states that “ the number 
Fieldfares at the Tower (by A. D. McCormick ). 
of dogs in London is supposed to be about two hundred thou- 
sand,” and “ that there are certainly not less than half a million 
cats,” of which he estimates that eighty thousand to one hundred 
thousand are ownerless. This, of course, accounts for a great 
destruction of wild birds in our parks and squares ; and the 
