8 BRITISH BIRDS. [vol. vm. 



take up a book which wiU teach us, than to sacrifice 

 the life of an animal in our thirst for knowledge. Here 

 we have arrived at the high ethical meaning of the study 

 of voices upon which Voigt rightly lays greater stress 

 from edition to edition of his fundamental Exkursionsbuch 

 zum Studium der Vogelstimmen. We hope that in our 

 time, which affords great protection to birds, this study 

 will also enable the keen collector to work along more 

 humane and noble hnes. 



