THE BIRDS OF FLOYD COUNTY, IOWA. 247 
Uncommon migrant. My spring records range from April 11 
to May 20; the species passes south in late September. Mrs. 
W. I. Frederickson records it in Charles City on September 
28 1919. - There is no indication that the species nests in 
Floyd County. . 
181. Protonaria citrea (Bodd.) Prothnotary Warbler. An 
uncommon migrant which is apparently increasing in num- 
bers. My arrival dates range from May 15 to 22, with the 
height of the migration between May 16 and 20. I have seen 
the species in all portions of the county, at Hackberry Grove 
and at Orchard, in Mitchell County. 
182. Vermivora rubricapilla rubricapilla (Wilson.) Nash- 
ville Warbler. A rare or uncommon migrant. Reported in 
May, at Osage, by Mrs. Tuttle, and at Charles City on Sep- 
tember 28, 1919, by Mrs. W. I. Frederickson. I have not 
identified the species in the county. 
183. Vermivora celata celata (Say.) Orange-Crowned 
Warbler. Recorded at Osage in late May by Mrs. Tuttle; I 
saw three individuals at Willow Pond on September 23, 1920, 
and two the following day. The species seems to be a rare 
migrant. 
184. Vermivora peregrina (Wilson.) Tennessee Warbler. 
The Tennessee Warbler is a tolerably common migrant. It 
arrives in the second and third week of May, or a little earlier, 
and reappears about the middle of September. It was more 
common in 1917 than in any of the years since. 
185. Compsothlypis americanna usneae Brewster. North- 
_ ern Parula Warbler. An uncommon or rare migrant. ¢Brown 
gives a record for Willow Pond on May 12, 1917. I have no 
records for the species. 
186. Dendroica tigrina (Gmel.) Cape May Warbler. The 
Cape May Warbler is a species which seems to be growing 
more common in the county, although it is still a rare migrant. 
Mrs. Tuttle records it at Osage, in Mitchell County, on May 
19, 1916. 
187. Dendroica aestiva aestiva (Gmel.) Yellow Warbler 
A tolerably common summer resident. My arrival dates range 
between May 12 and 15; Mr. Brown furnishes me with.a 
record for May 16; in 1917 it arrived in large flocks: It 
