THE BIRDS OF FLOYD COUNTY, IOWA. 251 
in Floyd County. I have one record, of three individuals seen 
in the eastern part of Charles City on April 17, 1917. 
208. Mimus polyglottos polyglottos (Linn.) Mockingbird. 
The only record of the Mockingbird in Floyd County is taken 
from Keyes and Williams (Bds. of Ia., p. 156.): “A single 
specimen was taken at Charles City.”” The record was proba- 
bly made by Mr. Williams, as Charles City was his early home. 
208. Dumetella carolinensis (Linn.) Catbird. The Cat- 
bird is an abundant summer resident in Floyd and adjoining 
counties. Arrival dates range from April 22 to 28, with the 
species becoming common in the first week of May. Most. of 
the birds depart before October 10, but on October 19, 1917, 
I saw a single individual in Wildwood Park, Charles City. 
Eggs are laid in the last week of May or the first week of 
June. I have found nests throughout the county, as well as 
near Orchard and Osage in Mitchell County, Nashua in Chick- 
- asaw, and Portland in Cerro Gordo. 
210. Toxostoma rufum (Linn.) Brown Thrasher. An 
abundant migrant andsummer resident. It arrives about the 
same time as the Catbird, and remains until late September. 
Eggs are laid in the first week of June, the nesting localities 
recorded corresponding with those given for the Catbird. In 
one case, about one-fourth mile west of Rockford, I found two 
catbird nests and one thrasher nest in a single large thorn- 
apple tree. W. Rhinesmith, of Charles City, found a Thrasher 
nest with eggs on May 11, 1919, a remarkably early record. 
My latest record for the species is October 4, 1917, when I 
saw three individuals in the northern part of Charles City. 
In 1918 the autumn migration took place very early. I found 
the species to be very common in the vicinity about Nora 
Springs, Rockford, and Hackberry Grove on August 24 to 31. 
On September 4 I took a half-mile walk through a region 
southeast of Charles City in which Thrashers are ordinarily 
abundant, and failed to see one. ' My latest record was for 
September 11. The records of other observers substantiate 
my own observations. 
211. Thryomanes bewicki bewicki (Aud.) Bewick’s Wren. 
The Bewick Wren has been observed at Charles City and 
vicinity by Mr. Brown, Mr. Webster, Mrs. Webster, and my- 
