278 Chaney, Birch of Mason County, Mich. [f^^ 



100. Wilsonia pusilla. Wilson's Warbler. — Small migrating flocks 

 were seen on August 30. 



101. Wilsonia canadensis. Canadian Warbler. — This species was 

 rather common in the small ravines where under-brush, ferns, and rotting 

 logs made the way almost impassable. On July 11, I saw a male carrying 

 food to its young, bvit was unable to discover the nest. Migrants were 

 seen up to Sept. 17. 



102. Setophaga ruticilla. Redstart. — Common, especially around 

 the shore of Upper Hamlin. A nest which the young had just left was seen 

 on July, and another containing four newly hatched young was discovered 

 on July 31. A common migrant in small flocks between August 29, and 

 Sept. 18. 



103. Anthus nibescens. Pipit. — A specimen was taken Sept. 17, on 

 the shore of Nordhouse I^ake. 



104. Dumetella carolinensis. Catbird. — Common in the shrubbery 

 about the clearings. A nest containing fresh eggs was found on July 27, 

 and another with young on July 16. 



105. Toxostoma nifum. Brown Thrasher. — Not very common. 

 A nest containing three eggs was fovmd on the ground in a hay field on 

 July 2. 



106. Troglodytes aedon. House Wren. — This species nested abun- 

 dantly, not only about the farms and cottages, but also in dead stumps in 

 the marshes and far out in the woods. Young in the nest were seen as 

 early as June 27. and fresh eggs as late as July 16. 



107. Nannus hiemalis. Winter Wren. — Several pairs were seen in 

 the densest part of the woods, and usually near a stream. 



108. Telmatodytes palustris. Long-billed Marsh Wren. — Appar- 

 ently not common, even in suitable localities. 



109. Certhia familiaris americana. Brown Creeper. — Migrants 

 arrived on Sept. 18. 



110. Sitta carolinensis. White-breasted Nuthatch. — Common in 

 the open woods during the summer, and becoming abundant in late 

 August and September. 



111. Sitta canadensis. Red-breasted Nuthatch. — A common mi- 

 grant after Sept. 18. 



112. Penthestes atricapillus. Chickadee. — Veiy common, especially 

 during September. 



113. Regulus satrapa. Golden-crowned Kinglet. — Migrating birds 

 were seen on Sept. 23. 



114. Regulus calendula. Ruby-crowned Kinglet. — A common 

 migrant after Sept. IS. 



115. Hylocichla mustelina. Wood Thrush. — Occasionally heard 

 singing on summer evenings, ^ligrants were seen up to Sept. 18. 



116. Hylocichla ustulata swainsoni. Olive-backed Thrush. — A 

 very common migrant after Sept. 14. 



117. Hylocichla guttata pallasi. Hermit Thrush. — On the hottest 



