688 Field Museum of Natural History — Zoology, Vol. IX. 



villages as well as in the more retired woods." (Birds of Wisconsin, 

 T903, p. 122.) 



The nest is in holes in stumps of dead trees or in cavities in old 

 buildings. The eggs are from 5 to 7, creamy white or pinkish white, 

 finely speckled with rufous brown, with usually a wreath of a darker 

 shade around the larger end, and measure about .65 x .50 inches. 



Mr. H. S. Swarth procured a nest and eggs of this species at Joliet, 

 111., on June 14, 1906. 



344a. Troglodytes aedon parkmanii (Aud.). 

 Parkman's Wren. 



Distr.: Western United States and more southern British Prov- 

 inces, east to the upper Mississippi Valley, eastern Illinois, and lower 

 Wabash Valley; south in winter to southern Mexico. 



Special characters: Differs from the House Wren, T. aedon, in 

 having the back and rump grayer and barred with dusky. 



This form is apparently much more common in Illinois than the 

 preceding species, both as a migrant and summer resident, but Kum- 

 lien and Hollister state : " In a series of house wrens from southern and 

 eastern Wisconsin, Mr. William Brewster finds typical examples 

 of both forms, aedon and azteciis/^ the latter slightly predominating 

 in numbers." (Birds of Wisconsin, 1903, p. 122.) 



The nest and eggs resemble those of the House Wren. 



Genus NANNUS Billberg. 



345. Nannus hiemalis (Vieill.). 

 Winter Wren. 



Troglodytes hiemalis Vieill., A. O. U. Check List, 1895, p. 301. 



Distr.: Eastern North America, west to the Plains, north to 

 Quebec, Ontario, and Manitoba; breeds from Massachusetts, northern 

 Illinois, and Indiana northward; winters chiefly from Illinois to the 

 Gulf states and Florida. 



Adult: Size, small; length rarely over 4.10 inches, usually less; 

 upper parts, dark cinnamon brown; a narrow buffy stripe over the 

 eye; outer webs of first five or six primaries, blackish, barred with 

 brownish white; rest of primaries and secondaries have outer webs 

 chestnut, barred with blackish; tail, color of rump, all the feathers 

 with narrow black bars; under parts, pale cinnamon brown; sides and 



* Now parkmanii. 



