110 INSESSORES. 
a hurtful insect. The Winter Wren visits us it 
Pennsylvania from the north, just as the House Wren 
has left us for its tropical home. It sometimes passes 
the entire winter in the Middle States, where it may 
be seen hopping about the wood-piles and the fallen 
and decayed trunks of trees, with its tail erect, busy- 
ing itself in singing its musical ditty, and picking 
up the bugs that may be lurking in the crevices of 
the bark. It disappears again early in Spring, and 
passes to the northward in company with the Snow 
Birds. 
The Titmouse, like 
its cousin the Wren, 
is an active, cunning 
little creature, ever on 
the go, hop, skip, and 
jump, from branch to 
branch, head down 
or head up, as is most 
convenient, _inces- 
santly prying into the 
. private affairs of the 
~ insect world, often 
laying waste the pros- 
pects of a promising 
family with onestroke 
of its bill; and hunt- 
Upper fig.—Crested Titmouse. ine up the vermin 
Lower fig —Black-capped Titmouse, = 
with such untiring 
industry as fairly to win for him a conspicuous place 
among the farmer’s friends. There are two species 
