PHYLOGENY OF THE PAL^OGNATH^ AND NEOGNATH^E. 



265 



Caprimulgi 

 Striges 



Megapodes 



Acclpitrea 

 Cioonlae | Columbao 



Pteroclea 

 Steganopodes^ J) H /^ Alcidse 



Cathartee 



Limicolsa 



G ruidss 

 H alii dee 

 Ehinochaetidee 



Eurypygidae 

 MeBitides 



Galli 



Apterygea 



Phylogene.tic diagram showing the probable Relationships of the Palceo- and Neognatlwe. 

 = Palaeognathine stock. $$%£ = Eutaxic forms. ^ = Diastataxic forms 



Blank branches indicate eutaxic forms amongst a diastataxic group ; blank spaces in a branch that both 

 eu- and diastataxic forms occur in the same genus or family. 



