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THE BIRDS OF WI SCON SIX. 
We are confident that it bred in Bayfield County twenty 
years ago. The majority pass beyond our borders, however. 
Helmintliophila peregrina (Wils.J. TEWESSEE WARBLER. 
Usually an extraordinarily abundant migrant, especially in 
fall, at some seasons far out-numbering any other species. 
From all records we can bring together the verdict seems the 
same — very abundant migrant, but no authentic record of being- 
summer resident, although it is at times common, even in the 
southern counties, by August 15. 
Coiupsothlypis americana ramalinse Ridgw. WESTERN PARl'LA 
WARBLER. 
A common migrant in all parts of the state, and a summer 
resident in all suitable localities. Mr. Clark has observed it a 
number of times during the entire summer in Dunn County. 
Dr. Hoy found it a regular breeder about Racine, and took 
several nests. Grundtvig states that many breed in Outagamie 
County, where he found nests and eggs. Willard gives it as 
breeding in Brown County. The bird is much more common 
than generally supposed by the amateur observer. It is easily 
overlooked during the breeding season, as in this section it 
usually nests at a great height. 
Dendroica tigrina (Gmch). CAPE MAT WARBLER. 
Migrant in May and from the last of August until the 
middle of September. In some years it is greatly abundant, 
and in others quite the reverse. Dr. Hoy found it rather 
common at Racine in May, and thought that a few bred there 
in 1852. Mr. Grundtvig found it abundant in Outagamie 
County in 1882, but did not find half as many the following 
year. Records from all sections of the state seem to indicate 
that it is more or less common, especially as a spring migrant. 
So far as our observation goes it is more common along Lake 
Michigan than elsewhere. YVe have no very good records of 
summer residence, although we saw a number of adult males 
in June between Green Bay and Sturgeon Bay, in Kewaunee 
and Door counties. It has also been reported from near 
Ashland in July. 
Dendroica sestiva (Gmch). YELLOW WARBLER. 
The "yellow-bird" is an abundant summer resident, nesting 
in every piece of open wood and brushy clearing. It is among 
the first arrivals of the warblers during the last few days of 
