196 THE AMERICAN MIDLAND NATURALIST. 
Waller near Floyd in March, 1915. I have no-records of 
the species. 
27. Charitonetta albeola (Linn.)  Bufflehead. Contrary 
to my former statement (Wilson Bull., 96, p. 1382) this species 
is a tolerably common migrant. Cooke (Bd. Migr. Miss. Val- 
ley, p. 73) lists it as breeding at Clear Lake, in Cerro Gordo 
county. 
28. Chen caerulescens (Linn.) Blue Goose. At one time a 
common migrant; now rare (Waller). Mr. Waller’s last date 
for the species is in March, 1915. I have never identified the 
species in. Floyd county. 
30. Anser albifrons gambeli (Hartl.) White-fronted 
Goose. Rare migrant. Last observed near Floyd, in October 
1915, by Waller. 
31. Branta canadensis canadensis (Linn.) Canada Goose. 
Common migrant. According to Webster it nested within the 
county in the late 60’s. Its spring arrival is usually in late 
March. 
32. Branta bernicla glaucogastra (Brehm.) Brant. 
There may be some question as to the reliability of various 
records of this rare migrant. I have what I think is a reliable 
record for March 17, 1916; five birds on the Cedar River, near 
Charles City. 
33.  Olor colubianus (Ord.) Whistling Swan. Rare 
migrant since 1890. Webster states that in “early days” the 
species was quite common. I have been unable to learn of any 
specimens seen or killed since 1900, and conclude that the 
species is no longer part of the county’s avifauna. 
34. Olor buccinator (Rich.) Trumpeter Swan. Webster 
states that the species was tolerably common in the late 50’s. 
One was killed near Charles City in 1897, but I have been un- 
able to find a later record. 
25. Botaurus lentiginosus (Montag.) Bittern. A fairly 
common summer resident, regularly nesting within the county. 
I have frequently come upon them in the “bayous” of the 
Cedar River, near Charles City, in.July, August and 
September, though have failed to locate nests. 
