349 



*Sylvicola ^^stiv^a, Gmel. Summer YelloAv Bird. 

 Abundant. 



Sylvicola Maculosa, Lath. Spotted Warbler. 

 Numerous from the 5th to 27th of Ma j, 



SzLvicoLA Flavicollts, Wilson. ■ 



I shot a single individual of this species near Racine, Juue 20th, 1848. 



*SyLvicoLA ViRENS. Latli. Black-throated Green Warbler. 



Common. A few nest \vith us. The old males arrive 5th of Maj, young males 

 and females about the 10th of the same month. 



*Sylvicola Blackburni.«, Lath. Blackbixrnian Warbler. 



One of the most numsrous warblers from the 5th to the 20th of May. The old 

 males precede the females about a week. The first arrivals of this species, as well 

 as all others, are in the Muest plumage. A few nest with us. 



SrivicoLA KiRTLANDii, Baird. Kirtland's Warbler. 



I met 0B8 single individual of this r-,cently discovered species, at Racine, May 

 20th, 1853. 



*Sylvicola Icterocephala, Lath. Chestnut-sided Warbler. 



This beautiful little warbler is extremely abundant. It prefers localities with a 

 dense under-brush, especially hazel, thinly covered with trees. In such situations it 

 is not uncommon to hear the songs uf a dozen males at the same time. They con- 

 struct a nest of blades of grass and thin strips of bark intermingled with caterpil- 

 lars' web, fixed in a low bush, (generally hazel,) seldom more than two or three feet 

 from the ground ; the eggs, 4 or 5 in number, closely resemble those of S. osstiva. 

 But one brood is raised m a season — nest from the 10th to the 15th of June. If the 

 nest be approached when the female is in it, she will drop to the ground and hobble 

 along with one wing dragging, uttering at the same time a peeping note of distress. 



I once caught a young bird of this species that had just left the nest; the parent 

 birds, in their alarm for its safety, approached so near to me that I caught the male 

 in my hand. I let them both go, upon which, the joy of the old bird appearded to 

 be greater for the escape of the young fledgling than for Ids own release. 



Sylvicola Castaxea, AVilson. 



Arrives in large numbers about the 10th of May ; all gone north by the 25th. 



SrLVicoLA Striata, Lath. Black -poll Warbler. 



Equally numerous with the preceding ; the two species arrive and depart in com- 

 pany. 



Stlvicola Pinus, Lath. Pine Warbler. 



Not a numerous species with us. Nest in the northern pine forests. 



Sylvicola Discolor, Vieill. Prairie Warbler 



A few are occasionally seen about the middle of May. Rare in Wisconsin. 



