ERRATA. 



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



Page 30, line 1, tor hut now read not now. 



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



Page 88, for Troglodytidfe read Troglodytinm. 



Page 99, lines 9 and 14 from bottom, tor liyemalis read hiemalis. 



Page 121, line 13 from bottom, for svjain isonii read su^ainsoni. 



Page 123, for Helmitheros read Helmitherns. 



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



