178 DAVENPORT ACADEMY OF SCIENCES. 



which is an irregular and rather uncommon winter visitant on 

 the larger rivers and streams of the state. The species is men- 

 tioned by Thomas Say as occurring at Engineers' Cantonment 

 during the winter of 1819-20 (lyong's Exp., i, 267). It is also 

 listed by J. A. Allen (White's Geol. of Iowa, ii, 427). Prof. C. C. 

 Nutting records a specimen in the University museum, No. 10176, 

 taken Nov. 29, 1892, at Burlington, by Paul Bartsch (Proc. Iowa 

 Acad. Sci., 1892, 44). "A regular but not common winter visitor, 

 specimens being taken every winter on the Missouri River in the 

 vicinity of Omaha" (Rev. Bds. Neb., 29). 



County records: Des Moines — Museum Nos. 141 57, Nov. 22, 

 1895, male; 16063, Nov. 23, 1895; Burlington (Bartsch). Jackson 

 — "rare transient" (Giddings). Lee — "rare migrant — Keokuk 

 district" (Praeger); "rare visitant" (Currier). Pottawattamie — 

 "straggler" (Trostler). Woodbury — "only record, a bird shot at 

 Rodney, Iowa, January, 190^. I saw the bird, typical winter 

 plumage, probably male" (Rich). 



Genus Histrionicus Lesson. 



49- (155)- Histrionicus histrionicus (Linn.). Harlequin Duck. 



The Harlequin Duck is another northern .species which occa- 

 sionally straggles into the Missi.ssippi Valley in winter or during 

 the migrations. It has been taken in winter in Wisconsin and 

 Illinois and as far .south as St. Louis, Mo. "Two definite records 

 for Nebraska, I. S. Trostler recording the taking of two specimens 

 on the Mi.ssouri River at Omaha, Sept. 16, 1893, and of another 

 at Florence Lake, near Omaha, Sept. 19, 1895" (Rev. Bds. Neb., 29.) 



County records: Pottawattamie — ' 'Two Harlequin Ducks were 

 brought to me for identification. They were killed at Big Lake, 

 Pottawattamie county, Sept. 26, 1895" (Trostler). Sioux — "saw 

 a part of a skin — head, skin of one side, and wing — shot at Hawar- 

 den in 1886." (Berry). Van Buren — "about eleven years ago a 

 hunter shot three at one shot. This is the only time I ever knew 

 of them being in our locality — Hillsboro" (W^. G. Savage). 



Genus Somateria Leach. 

 50. (160). Somateria dresseri S\\'AX'^^. American Eider. 



The American Eider is only an accidental visitor in Iowa. G. 

 H. Berry reports it as a "rare winter visitant" in Linn county. 



