2 
PAGE 
Flight and other methods of locomotion . . . . 76 
Parental relations . . . . . . . . . . 76 
Sexual relations .. . f .. .. ..76 
Nidification, General . . . . . . . . . . 76 
„ Regional Observations .. .. .. 76 
,, Observations on single species . . . . 77 
Oology . . . . . . . . . . . . . . 79 
Voice . . . . . . . . . . . . . . 79 
Psychology . . . . . . . . . . 79 
Colour and Moult. . . . . . . . . . 79 
Parasites and Pathology , . . . . . . . 80 
Variation and Aetiology = 5828 : — 
Variation . . , . . . . . ... . . 80 
Teratology . . . . . . . . . . . . 81 
Hybrids . . f . . . . . . . . . . . 81 
Heredity and Evolution . . . . . . . . . . 81 
Extinct birds . . . . . . . . . 82 
Geography = 5827 : — 
General . . . . . . . . . . . . 82 
Palaearctic Region . . . . . . . . 82 
Ethiopian Region . . . . . . . . . . 88 
Indian Region . . . . . . . . . . . . 89 
Australian Region . . . . . . . . . . 90 
Neotropical Region .. .. .. .. .. 91 
Nearctic Region . . . . . . . . . . . . 92 
The Oceans . . . . . . . . . , 95 
III. Systematic : — 
Struthioniformes . . 
Casuariiformes 
Tinamiformes 
Galliformes 
Turnici formes 
Pteroclidiformes . . 
Oolumbiformes 
Ralliformes 
Podicipediformes . . 
Colymbiformes 
Sphenisciformes , . 
Procellariiformes . . 
Alciformes. . 
Lari formes 
Charadriiformes . . 
Gruiformes 
* Ardeiformes 
Anseriformes 
.. 95 
.. 95 
.. 95 
95 
.. 97 
.. 97 
.. 97 
.. 98 
.. 99 
.. 99 
. . 99 
. . 99 
.. 101 
.. 101 
.. 102 
104 
.. 104 
.. 105 
