PREFACE TO THE SECOND EDITION. 
TueE flattering reception of my Essays by the public 
and the press having led to a second edition being 
called for within a year of its first publication, I have 
taken the opportunity to make a few necessary cor-. 
rections. JI have also added a few passages to the 
6th and 7th Essays, and have given two notes, ex- 
planatory of some portions of the last chapter which 
appear to have been not always understood. These 
additions are as follows :— 
To avoid altering the paging the additional pages now given have 
been lettered. 
f 
Ist Bd. | 2nd Ba. 
221 221 Additional facts as to birds acquir- 
ing the song of other species. 
223 2234)| Mr. Spruce’s remarks on young birds 
2283 | pairing with old. 
228 pea Pouchet’s observations on a change 
2288 in the nests of swallows. 
229 _— Passage omitted about nest of Golden 
Crested Warbler, which had been | 
inserted on Rennie’s authority, but 
has not been confirmed by any later 
observers. 
261 961 Daines Barrington, on importance of 
protection to the female bird. 
372 Note A. 
3728 | Note B. 
ig bt 4 
