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Birds of Massachusetts. 141 
which, in England, is called the hay-bird. Nuttall 
says that it visits us in October, when it feeds on 
flies and other insects, and often is seen rising with 
a low and pleasant song from the tops of trees. It 
is named from its attachment to the willow. 
The Worm-catinc WansLEn, Sylvia vermivora, 
arrives from the south late in the spring, and retreats 
early, before the northern storms. It was not known 
to breed in this State till a nest was discovered in 
Cambridge by Mr. Rotch, who gave a specimen of 
the eges to Dr. Brewer. That gentleman, it is to 
be hoped, will hereafter find time to supply the de- 
fect of information on this part of the subject, to 
which very little attention has been paid. 
The Gotpen-wincep WARBLER, Sylvia chrysop- 
tera, which Nuttall thought was never seen in this 
State, is ascertained to be one of our visiters by Mr. 
James Eliot Cabot, who shot one of them in Cam- 
bridge. 
The NasnviuuLe WansLEn, Sylvia rubricapilla, is 
placed among our birds by Mr. Samuel Cabot, Jr., 
who obtained a specimen in Brookline. Audubon 
states that three or four, found in Louisiana and Ken- 
tucky, are all that he ever saw. 
Swainson’s Warsier, Sylvia Swainsonii, has 
been found by Mr. Cabot, within the limits of our 
State. 
The Oraner-cotorep Warsier, Sylvia celata, 
probably passes through the State on its way to the 
