PROCEEDINGS OF THE NATIOISTAL MUSEUM vol.76 



Superorder Palaegnathae. 

 Order Struthioniformes. 



Famil}'- Struthionidae, Ostriches. 

 Order Rhei formes. 



Family Rheidae, Rheas. 

 Order Casuariiformes. 



Family Casuariidae, Cassowaries. 

 Dromiceiidae, Emus. 

 Dromornithidae, DroTnornis (fossil). 

 Order Dinornithiformes. 



Family Dinornithidae, Moas (extinct). 

 Order zEpyornithiformes. 



Family ^pyornithidae, ^Epyornis (extinct). 

 Order Apterygiformes. 



Family Apterygidae, Kiwis. 

 Order Tinamiformes. 



Family Tinamidae, Tinamous. 

 Superorder Neognathae. 

 Order Sphenisciformes. 



Family Spheniscidae, Penguins. 



Cladornithidae, Cladorrds (fossil). 

 Order Gaviiformes. 



Family Gaviidae, Loons. 

 Order Col3^mbiformes. 



Family Colymbidae, Grebes. 

 Order Procellariiformes. 



Family Diomedeidae, Albatrosses. 



Procellariidae, Shearwaters, Fulmars. 

 Hydrobatidae, Small Petrels. 

 Pelecanoididae, Diving Petrels. 

 Order Pelecaniformes. 

 Suborder Phaethontes. 



Family Phaethontidae, Tropic-birds. 

 Suborder Pelecani. 

 Superfamily Pelecanides. 



Family Pelecanidae, Pelicans. 



Cyphornithidae, Gyphomis^ Palaeochenoidea 

 (fossil). 

 Superfamily Sulides. 



Family Pelagornithidae, Pelagornis (fossil). 

 Sulidae, Boobies, Gannets. 

 Phalacrocoracidae, Cormorants. 

 Anhingidae, Snake-birds. 

 Suborder Fregatae. 



Family Fregatidae, Man-o'war Birds. 



