2 
PAGE 
Flight and other methods of locomotion . . . . 75 
Parental relations .. '.. .. .. .. 75 
Sexual relations . . . . . . , . . . . . 75 
Nidification, General . . . . . . . . 75 
„ Regional Observations . . . . . . 7G 
,, Observations on single species .. .. 76 
Oology .. .. .. .. .. .. ..78 
Voice .. .. .. .. .. .. ..78 
Psychology . . . . . . . . . . . . 79 
Colour and Moult. . . . . . . . . > 79 
Pathology.. ,. .. .. .. .. ..79 
Avian Parasitology . . . . . . . . . . 79 
Mortality . . . . . . . . . . . . 80 
Variation and Aetiology = 5823 : — 
Variation . . .... . . . . . . . . 80 
Teratology . . . . . . . . . . 80 
Hybrids .. .. .. .. .. .. ..81 
Heredity and Evolution . . . . . . . . . . 81 
Fossil and Extinct birds . .... . . 82 
Geography = 5827 : — 
General 
Palaearctic Region 
Ethiopian Region 
Indian Region 
Australian Region 
Neotropical Region 
Nearctic Region . . 
The Oceans 
III. Systematic: — 
82 
82 
89 
90 
91 
92 
93 
95 
Rheiformes 
Struthioniformes 
Casuariiformes 
Dinornithiformes 
Apterygiformes 
Tiuamiformes 
Galliformes 
Ilemipodii. . 
Pteroclidiformes 
Columbiformes 
Ralli formes 
Podicipedidiforme 
Colymbiformes 
Sphenisciformes . 
Procellariiformes 
A lei formes. . 
Lari formes 
Charadriiformes 
96 
96 
96 
96 
96 
96 
96 
97 
97 
98 
98 
99 
99 
99 
99 
100 
100 
101 
