2 
Flight and other methods of locomotion 
Parental relations 
Sexual relations . . 
Nidification, General 
„ Regional Observations 
„ Observations on single species 
Oology 
Voice 
Psychology 
Colour and Moult. . 
Parasites and Pathology 
Variation and Aetiology = 5823: — 
Variation . . 
Teratology 
Hybrids . . 
Heredity and Evolution . . 
Extinct birds 
Geography = 5827 : — 
General 
Palaearctic Region 
Ethiopian Region 
Indian Region 
Australian Region 
Neotropical Region 
Nearctic Region . . 
The Oceans and Antarctic Region 
III. Systematic : — 
Rheiformes 
Struthioniformes . . 
Casuariiformes 
Galliforines 
Turniciformes 
Pteroclidiformes . . 
Columbiformes 
Ralliformes 
Podicipediformes . . 
Colymbi formes 
Sphenisciformes . . 
Procellariiformes . . 
Alciformes. . 
Lariformes 
Oharadriiformes . . 
Gruiformes 
Ardeiformes 
Phoenicopteri formes 
Anseriformes 
PAGE 
69 
70 
70 
70 
70 
71 
72 
72 
73 
73 
73 
74 
74 
74 
75 
75 
76 
76 
82 
83 
84 
85 
86 
88 
88 
88 
88 
88 
89 
89 
90 
90 
91 
91 
91 
91 
91 
92 
92 
93 
94 
94 
94 
