GREEN-WINGED DOVE. 
a beautiful crimson circle that encompasses the 
eye-lids. The fidelity of these birds is noted ; 
and a pair being put in a cage, if one dies the 
other will not survive it. The Turtle Dove is 
a bird of passage ; and few, or none, remain 
in our northern climates in winter. They fly 
in flocks, when they come to breed here in 
summ.er; and delight in open, mountainous, 
sandy countries. But they build their nests 
in the midst of woods, and chuse the most re- 
tired situations for incubation." 
To these extra61:s, which clearly acknow- 
ledge a sufEcient difference between the Pigeon 
and the Dove, to constitute distinct species ; 
we may add the remark of Buffon, who ex- 
pressly says, *' the various and even opposite 
habits shew, that under the Pigeon are in- 
cluded many different species.'* 
That the Doves, as well as Pigeons, of 
every known description, wherever they could 
be procured by the breeders of Pigeons, have 
been induced, as much as possible, to corrupt 
the purity of their original nature by human 
artifice, so as to form unions which, in their 
original state, would never have taken place, 
cannot 
