544 NOTES ON CERTAIN INLAND 5 
authentic nest. Of the many Warblers nests we discovered 
there were four that we failed to identify, the birds belonging 
thereto not appearing when we had opportunities of watch- 
ing. The general appearance of these nests which had eggs 
in was that of species common with us, although the eggs 
were a little peculiar. We have not had, since 1866, during 
any one summer, very good opportunities for hunting birds ; 
but being ever on the lookout for the four species in ques- 
tion, we think it strange if they did remain throughout the 
breeding season sibus our detecting them. 
As we have shown that some species that have heretofore 
always sought breeding grounds north of us now remain, 
therefore why should not others, formerly with us, conclude 
also to make a change, even though it be the opposite from 
that of their cousins? The SPI of our state has materi- 
ally changed in its general aspect within the past thirty 
years, since Audubon' visited it; and these changes may 
have driven off certain species that probably are abundant 
no farther north or immaterially so, say Pennsylvania and 
New York. The changes we refer to are the very general 
cutting off of the woods, and clearing out of swamps. Cer- 
tainly nine-tenths of the shelter that existed for birds in 
1840 is now no longer in existence. The question may now 
be pertinently asked that if there is less shelter, why are 
there more new comers than there are departures of former 
residents? This we admit seems strange, and we can only 
answer it by asking another question; why should birds so 
similar as the Sylvicolide be of so many minds? Again, 
the four species in question are not at all sociable in their 
habits, and the new comers are; so we can see that the latter 
could be contented where the former would not, provided 
that the climate suited them. 
The Yellow-rumped Warbler (Dendroica coronata), pre- 
sents to us an instance of climatic geographical distribution 
which has not been published we. believe; and that is, that 
from September to June this species has been met with in 
