[56 DAVENPORT ACADEMY OF NATURAL SCIENi ES. 



S ICTERIA VlEll 

 [B 176, R 123, C 144, I" 683.] 

 Tcteria virens (Linn.). Yellow-breasted Chat. Summer resident; 

 rather common; arriving the first week in May. Haunts the low, open 

 woodlands and thickets along the streams. Nidification commences 

 about the first week in June. The nest is usually placed four or five 

 feet from the ground, in a thickly-foliaged bush. It is composed of dry 

 grasses and leaves, lined with fine grasses and fibres of bark. The eggs 

 number three to five. 



Genus SYLVANIA Xittaij.. 

 [B 2ii, R 124, C 146, U 684.] 

 Sylvania mitrata (Gmel.). Hooded Warbler. Not common. Mr. 

 Trippe also mentions taking one in Mahaska County, in May. 



[B 2i$,J>art, R 125, C 147, U 685.] 

 Sylvania pusilla (Wils.). Wilson's Warbler. Migratory; common. 

 Arrives the first, and sojourns until the third, week in May; passes 

 southward the second week in September. It is usually noticed in the 

 underbrush in open woodland along the streams. 



[B j 14. R 127, C 149, U 686.] 

 Sylvania canadensis (Linn.). Canadian Warbler. Spring and fall 

 migrant; not common. 



Genus SETOPHAGA Swaixson. 

 [B 217, R 128, C 152, U 687.] 

 Setophaga ruticilla (Linn.). American Redstart. Summer resi- 

 dent; common; arriving the first week in May, and departing the sec- 

 ond week in September. Nidification commences the first of June. 



Family MOTACILLID^. Wagtails. 

 Genus ANTHUS Bechstein. 



Subgenus AXTHUS. 

 [B 165, R 71, C 89, U 697.] 



Anthus pensilv aniens (Lath.). American Pipit. Migratory; com- 

 mon; arriving about the middle of April. 



Family TROGLODYTID/E. Wrens, Thrashers, Etc 

 Subfamily MIMIN2E. Thrashers. 

 Genus MIMUS Boie. 

 [B 253, 253 a, R 11, C 15, U 703.] 

 Mimus polyglottos (Linn.). Mocking Bird. Rare. A single speci- 

 men was taken at Charles City. Prof. H. W. Parker reports taking it 

 several times at Grinnell. 



