ERRATA. 



Page 5. Una 2 from bottom, after that insert it. 



Page 30. line 1. for but now read not now. 



Page 70. line 17. for townsendi read townsendii; line 5 from bottom, before .85 read 3. 



Page 88. for Troglodytidae read TroglodytincB. 



Page 99. lines 9 and 14 from bottom, for hyemalis read hiemalis. 



Page 121. Une 12 from bottom, for sirainisonii read swainsoni. 



Page 123. for Helmitheros read Hclmitherus. 



Page 133, Une 20 from bottom, for mariima read maritima. 



