Psychology 
Colour and Moulting 
Parasites . . 
2 
Variation and Aetiology = 5823 
Variation . . 
Teratology 
Hybrids . . 
Heredity . . 
Evolution . . 
Extinct birds 
Geography = 5827 
Palaearctic Region 
Ethiopian Region 
Indian Region 
Australian Region 
Neotropical Region 
Nearctic Region . . 
III. Systematic : — 
Rheiformes . . 
Struthioniformes 
Oasuariiformes 
Tinamiformes 
Galliformes 
Turniciformes 
Pteroclidiformes . . 
Oolumbiformes 
Ralliformes . . . 
Podicipediformes . . 
Colymbiformes 
Sphenisciformes . . 
Procellariiformes . . 
Alciformes . 
Lari formes 
Oharadriiformes . . 
Gruiformes 
Ardeiformes 
Phcenicopteriformes 
Anseri formes 
Pelecani formes . . 
Cathartiformes 
Accipitriformes . . 
Strigiformes 
Psittaciformes 
Coraciiformes 
Trogones 
Coccyges 
Scan sores 
Piciformes 
PAGE 
. . 91 
.. 91 
.. 91 
. . 91 
.. 91 
.. 92 
.. 92 
. . 93 
.. 93 
. . 93 
. . 93 
. . 93 
.. 102 
. . 102 
. . 103 
.. 104 
. . 105 
.. 109 
.. 110 
.. 110 
.. 110 
.. 110 
.. 112 
.. 112 
.. 112 
.. 113 
.. 114 
.. 114 
.. 114 
.. 114 
.. 115 
. . 115 
.. 116 
.. 118 
.. 118 
.. 119 
.. 119 
.. 120 
.. 121 
.. 121 
.. 122 
.. 123 
.. 124 
.. 126 
.. 126 
.. 127 
. . 128 
