2 
Flight 
• • • • 
9 9 
PAGE 
77 
Parental relations 
• • • • 
9 9 
77 
Sexual relations . . 
• • • • 
» 9 
77 
Nidilication, General 
• 9 9 9 
e 9 
77 
„ Regional Observations 
• • 
77 
,, Observations on single 
species 
78 
Oology 
• 9 0 
9 9 
7t> 
Voice 
9 9 9 C 
9 9 
79 
Psychology 
• • 9 9 
9 9 
80 
Colour and Moult. . 
• 9 • 9 
9 9 
80 
Parasites (including Pathology) 
9 9 
80 
Variation and Aetiology = 
Variation .. 
= 5828 
9 9 9 9 
9 9 
81 
Teratology 
9 9 9 9 
9 9 
81 
Hybrids . . 
9 9 9 9 
9 «» 
82 
, Heredity and Evolution 
• 9 » 9 i 
9 9 
82 
Extinct birds 
. . 
9 9 
82. 
Geography = 5827 : — 
General 
9 9 9 9 
88 
Palaearctic Region 
9 9 9 9 
88 
Ethiopian Region 
0 9 9 9 
88 
Indian Region 
9 9 9 9 
89 
Australian Region 
9 9 9 9 
89 
Neotropical Region 
9 9 9 9 
90 
' N e arc tic Region . 
• • 
91 
fSTEMATlC : — 
Struthioniformes . . 
94 
Casuarii formes 
94 
Dinornithiformes . . 
94 
Apterygiformes . . 
94 
Tinamiformes 
91 
Galliformes 
91 
Turniciformes 
90 
Pteroclidiformes . . 
90 
Columbiformes 
96 
Ralliformes 
97 
Podicipediformes . . 
97 
Colymbi formes 
97 
Sphenisciformes . . 
97 
Procellariiformes . . 
97 
Alciformes. . 
98 
Lari formes 
98 
Charadriiformes . . 
99 
Gruiformes 
102 
A rdei formes 
102 
Ph oenicopteri f ormes 
103 
Anseriformes 
103 
