PASSENGER PIGEON. 75 
on one of his visits to America, returned with a 
large stock of live birds, which were distributed 
among those who possessed the convenience for 
keeping and superintending their almost domes- 
ticated state. Several pairs were presented to 
the magnificent aviary at Knowlsley, and also to 
the Zoological Society, and in both instances they 
incubated and hatched their young. 
y ' ■ 
