X INTRODUCTION 



They are divided by Dr. P. L. Sclater, F.K.S., &c, in a 

 paper in the " Ibis " for 1880, " On the Present State of the 

 Systema Avium." into the following groups or orders : — 



Class Aves. 

 Sub-class Carinatce (with a keeled sternum). 



Order 1. Passeres (Crows, Starlings, Weaver-Birds, Finches, 

 Larks, Sunbirds, Shrikes, Warblers, Thrushes, 

 Fly-catchers. Cuckoo-Shrikes, Drongos and 

 Swallows). 

 „ 2. Picarl^ (Woodpeckers, Barbets, Honey-guides, 

 Trogons, Colies, Kingfishers, Bee-eaters, Kollers, 

 Hornbills, Hoopoes, Swifts, Nightjars, Cuckoos 

 and Plaintain-eaters). 



3. Psittaci (Parrots). 



4. Striges (Owls). 



5. Accipitres (Falcons, Kites, Buzzards, Eagles, 

 Hawks, Vultures and Secretary-Bird). 



6. Steganopodes (Frigate-Birds, Pelicans, Cor- 

 morants, Darters, Gannets and Tropic Birds). 



7. Herodiones (Herons, Storks and Ibises). 



8. Odontoglossje (Flamingoes). 



9. Anseres (Geese and Ducks). 



10. Columb.e (Pigeons and Doves). 



11. Pterocletes (Sand Grouse). 



12. Gallinje (Game-Birds, Guinea-Fowl, Francolin, 

 Quail). 



13. Hemipodii (Three-toed or Button- quails). 



14. Fulicari^e (Coots, Moorhens, Kails and Finfoot). 



15. Alectorides (Cranes and Bustards). 



16. Limicol^e (Thickheads, Coursers, Plovers, Sand- 

 pipers, Snipe and Jacanas). 



17. Gavle (Skuas, Gulls and Terns). 



