ERRATA. 



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



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



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



Page 88. for Troglodytidce read Troglodiitince.. 



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



Page 121, line 12 from bottom, for siiminisonii read swainsoni. 



Page 123, for Helmithf^ros read Hflmithprus. 



Page 133, line 20 from bottom, tor mariima read maritima. 



