346 DAVENPORT ACADEMY OF SCIENCES. 



common summer resident, but becoming scarce, in Mills county, 

 on the Missouri, while Dr. Rich reports it as rare at Sioux City. 

 Dr. B. H. Bailey shot two males at Lansing, Allamakee county, 

 Iowa, in 1904. The most northern record outside of the Missis- 

 sippi bottoms was one male, seen alone along the Des Moines 

 River in Kossuth county by W. H. Bingaman, May 20, igor. 

 The bird was not taken, but identity is positive, Mr. Bingaman 

 having found many nests in .southern Illinois. 



The northward range of the Prothonotary Warbler has been 

 greatly extended by the observations of Dr. T. S. Roberts (Auk, 

 xvi, 1899, pp. 236-46), who found the species breeding commonly 

 in the low heavily-timbered bottom lands bordering the Missis- 

 sippi River nearly to Hastings, Minn., eighty-five miles directly 

 north from the Iowa line. "As we advanced southward toward 

 the Iowa line it became one of the most frequent and noticeable 

 of the birds. The}^ were found only in the bottomland and ap- 

 parenth' do not pass up the heavily-wooded and deep ravines of 

 the tributary rivers and streams." This low-lying and sheltered 

 valley is shown to be an extensive northern prolongation of the 

 Carolinian (Upper Austral) fauna. The vegetation also has a 

 strong Carolinian trend. The black walnut, red mulberry, Ken- 

 tucky coffee-tree, and, to a more limited extent, the shellbark 

 hickory, find a foothold here, and the woods of Houston county 

 are full of the Maj^-apple {Podophyllum pcltatum) . The Louisiana 

 Water Thrush and the Red-bellied Woodpecker were also com- 

 mon. Dr. Roberts noted the species nesting commonly in bird- 

 boxes on the iron railroad bridge between La Crosse, Wis., and 

 La Crescent, Minn. F. L. Grundtvig states: "I found it breeding 

 in large numbers as far north as Sabula, (Jackson county, Iowa), 

 near the Mississippi River" (Proc. Wis. Acad. Sci., Let. and Arts, 

 X, pp. 140-41). 



The species is a rare summer resident in low bottom lands of 

 the Iowa River in Johnson county. I found a nest in a deserted 

 Woodpecker's hole in a dead stub, about five feet from the ground, 

 on May 30, 1904, at which time it contained two eggs; June 3, 

 1904, the nest contained five eggs; female sitting very close. June 

 25, T905, I found a nest containing five well-feathered young birds 

 by watching both parents carry food to the nest in a dead stump, 

 about ten feet from the ground, just below the mouth of Turkey 

 Creek (Johnson count}^). 



