Q^ \ woods where he would have 

 had the opportunity to hear 

 the endlessly-various calls 

 of his race. So for as we 

 can see^ the stock of so?igs 

 which he now sings must 

 have been brought in his 

 own mindfoom the egg, or 

 from someforther source 

 whereof IV e know nothing. 

 He certainly never learned 

 these calls: many of the 

 birds of whom he gives per- 



[ 48 ] 



