10 PREFACE TO THIRD EDITION. 



Casuarii. 

 Apteryges. 

 Dinornithes. 

 ^Epyornithes. 

 Stereornithes. 



Phororhacos, Brontornis, Stereornis, etc. 

 Diatryma. 



Remiornis, Dasornis. 

 Gastornis. 



Division 2. Neornithes Odontolcse. 

 Hesperornithes . 

 Enaliornithes. 



Division 3. Neornithes Carinatse. 

 Order 1. Ichthyornithes. 

 " 2. Colymbiformes. [= Order Pygopodes, excluding Alcidse.] 



Suborder Colymbi. [= Suborder Cepphi, excluding Alcidae.] 



" Podicipedes. [= Suborder Colymbi.] 

 " 3. Sphenisciformes. [ExtralimitaL] 

 " 4. Procellariiformes. [= Order Tubinares.] 



" 5. Ciconiiformes. [= Orders Steganopodes, Herodiones, and Odon- 

 toglossae.] 



Suborder Steganopodes. [= Order Steganopodes.] 



Ardese. [= Suborder Herodii.] 

 " Ciconise. [= Suborders Ibides and Ciconise.] 



Phoenicopteri. [= Order Odontoglossse.] 

 " 6. Anseriformes. [= Order Anseres.] 



7. Falconiformes. [= Order Raptores, excluding Striges.] 

 Suborder Catharta3. [= Suborder Sarcorhamphi.] 



" Accipitres. [= Suborder Falcones.] 

 " 8. Tinamiformes. [ExtralimitaL] 

 " 9. Galliformes. [= Order Gallinae.] 



Suborder Mesites. [ExtralimitaL] 

 " Turnices. [ExtralimitaL] 

 " Galli. [= Suborders Phasiani and Penelopes.] 



Opisthocomi. [ExtralimitaL] 

 " 10. Gruiformes. [= Order Paludicolse, divided into Suborders Grues 



and Ralli.] 

 " 11. Charadriiformes. [= Orders Limicolae and Longipennes, Family 



Alcidse, and Order Columbae.] 

 Suborder Limicolae. [= Order Limicolse.] 



Lari. [= Order Longipennes + Alcida?.] 

 Pterocles. [ExtralimitaL] 

 " Columbae. [= Order Columbse.] 



" 12. Cuculiformes. [= Order Psittaci and Suborder Cuculi.] 

 Suborder Cuculi. [= Suborder Cuculi.] 

 " Psittaci. [= Order Psittaci.] 



