VI 
PREFACE 
Alterations in the Second Edition oe 
Contributions, etc. 
1st Ed. 
2d Ed, 
Present 
Volume. 
221 
221 
Additional facts as to birds acquiring the 
song of other species .... 
105 
223 
223 a \ 
Mr. Spruce’s remarks on young birds 
223b / 
pairing with old .... 
107 
228 
228a I 
Pouchet’s observations on a change in 
228b J 
the nests of swallows .... 
omitted 
229 
— 
Passage omitted about nest of Golden 
Crested Warbler, which had been in- 
serted on Rennie’s authority, but has 
not been confirmed by any later ob- 
servers. 
261 
261 
Daines Barrington, on importance of pro- 
tection to the female bird . 
138 
372 
Note A . 
205 
372b 
Note B . 
209 
ADDITIONAL MATTER IN THE PRESENT VOLUME. 
Natural Selection. 
PAGES 
Additional facts by Leroy, Spalding, Lowne, and Dixon on the 
Nest-Building and other Instincts of Birds . . . 108-112 
Dr. Abbott on Nesting of Baltimore Oriole . . .114 
Professor Jeitteles and Mr. Henry Reeks on Alterations in Mode 
of Nest-Building . . . . . .115 
Tropical Nature. 
Note on Dr. Shufeldt’s Investigations into the Affinities of 
Swifts and Humming-Birds ..... 337 
The Antiquity oe Man in North America. 
(Additional Chapter) ...... 433-449 
The Debt of Science to Darwin. 
(Additional Chapter) ...... 450-475 
Parkstone, Dorset, 
March 1891. 
