266 PERCHERS AND SINGERS 
about all these different species in order to not be accounted 
ignorant? Let us see. 
Any sensible civilized person knows a cow at sight, also 
something of its place in Nature, and its habits. No one, 
BLUEBIRD. 
however, save the special student of domestic cattle, is ex- 
pected to be able to say, without ‘looking it up,’ whether 
a particular cow is an Alderney, a Jersey, a Short-Horn, a 
Hereford, or a Durham. 
The case of the Bluebird is quite similar. He who knows 
one Bluebird well may justly claim a bowing acquaintance 
with all the others, and feel at home when in their company. 
Here in the East the Bluebird is a thing of beauty, and a 
