ERRATA. 
. ix., 1. 8, for ‘*as the Swiss Alps themselves,” vead ‘‘ like the Swiss Alps.” 
. x., second line of last paragraph, for ‘‘ open ” read “* stretch.” 
6, 1. 14, for *‘ which drowned,” read ‘* drowning.” 
. I1, 1. 6 of 3rd paragraph, for ‘‘ fifteen ” vead ‘* sixteen.” 
. 11, l. 1 of 4th paragraph, for ‘‘ extends” vead ‘* lies.” 
. 14, 1. 14, for ‘‘songsters” read ‘‘ warblers.” (The sentence should have been 
altered in accordance with the b.O.U. arrangement. ) 
P. 14, 1. 8 from bottom, dele the dast ‘‘ the,” and next line for ‘‘heads” sxead 
““head.” 
P. 17, line 4 from bottom, for ‘‘ especially of the” ead ‘‘ especially the.” 
P. 27, last line but one, for ‘‘ occupied ” read ‘‘ covered.” 
P. 36, last line, for ‘‘ thick ” ead ‘* turbid.” 
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