10 PBEFACE TO THIRD EDITION. 



Casuarii. 

 Apteryges. 

 Dinornithes. 

 iEpyornithes. 

 Stereornithes. 



Phororhacos, Brontornis, Stereomis, etc. 

 Diatiyma. 



Remiomis, Dasornis. 

 Gastornis. 

 Division 2. Neornitheg Odontolcse. 

 Hesperornithes. 

 Enaliomithes. 

 Division 3. Neornithes Carinatae. 

 Order 1. Ichthyornithes. 

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



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

 " Podicipedes. [= Suborder Colymbi.] 

 " 3. Sphenisciformes. [Extralimital.] 

 " 4. Procellariiformes. [= Order Tubinares.] 



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

 toglossse.] 



Suborder Steganopodes. [= Order Steganopodes.] 

 " Ardese. [= Suborder Herodii.] 

 " Ciconiffi. [= Suborders Ibides and Ciconise.] 

 " Phoenicopteri. [= Order Odontoglossse.] 

 " 6. Anseriformes. [= Order Anseres.] 

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

 Suborder Cathartse. [= Suborder Saroorhamphi.] 

 " Accipitres. [= Suborder Falcones.] 

 " 8. Tinamitormes. [Extralimital.] 

 " 9. Galliformes. [= Order Galling.] 



Suborder Mesites. [Extralimital.] 

 " Turnices. [Extralimital.] 

 " Galli. [= Suborders Phasiani and Penelopes.] 

 " Opisthocomi. [Extralimital.] 

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



and Ralli.] 

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

 Alcidfe, and Order Columbse.] 

 Suborder Limicolae. [= Order Limicolse.] 



" Lari. [= Order Longipennes + Alcidse.] 

 " Pterocles. [Extralimital.] 

 " Columbse. [= Order Columbse.] 

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

 Suborder Cuculi. [= Suborder Cuculi.] 

 Psittaci. [= Order Psittaci.] 



