vi PREFACE 
ALTERATIONS IN THE SECOND EDITION OF 
CONTRIBUTIONS, ETC. 
Ist Ep. 2p Ep, oT 
221 =| 221 Additional facts as to birds peeing the 
. song of other species . 105 
223 223A Mr. Spruce’s remarks on young "birds 
2238 pairing with old j ‘ 107 
228 228A Pouchet’s observations on a change in 
eat 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 . . ‘ 1388 
372 Note A. : : ‘ ‘ 205 
3728 | NoteB. . : : . i : 209 
ADDITIONAL MATTER IN THE PRESENT VOLUME. 
NatTuRAL 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 aa 
Professor Jeitteles and Mr. Henry Reeks on Alteratiene in Mode 
of Nest-Building . 3 . F . 115 
TRoPicaAL NATURE. 
Note on Dr. Shufeldt’s Investigations into the Affinities of 
Swifts and Humming-Birds . 3 s ; . 337 
Tue ANTIQUITY oF Man in Nortu AMERICA. 
(Additional Chapter) ‘ ‘ ‘ : » 4388-449 
Tur Desr or ScrencE To DARWIN. 
(Additional Chapter) . . 2 F ., . 450-475 
PARKSTONE, Dorset, 
March 1891. 
