1916] Chandler: Structure of Feathers 283 



where, according to their epiphyology, they seem to belong. The 

 classification as here used is as follows : 



CLASS AVES 



Subclass Neornithes 



I. Ratitae 



Order Struthioniformes 

 Rheiformes 

 Casuariiformes 

 Apterygiformes 



II. Carinatae 



Order Sphenisciformes 

 Colymbiformes 

 Procellariiformes 

 Ciconiiformes 

 Suborder Steganopodes 

 Ardeae 

 Ciconiae 

 Phoenicopteri 

 Order Anseriformes 

 Suborder Anseres 



Palamedeae 

 Order Falconiformes 

 Suborder Cathartae 

 Gypogerani 

 Accipitres 

 Order Galliformes 

 Suborder Galli 



Turnices 

 Order Crypturiformes 

 Gruiformes 

 Charadriiformes 

 Suborder Laro-limicolae 



Pteroclo-Golumbae 

 Order Cuculiformes 

 Coraciiformes 

 Suborder Coraciae 

 Striges 

 Caprimulgi 

 Cypseli 

 Colli 

 Trogones 

 Pici 

 Order Passeriformes 



3. Methods of Comparative Study 



In working over the morphology of feathers in each of the above 

 groups, a brief survey of feather structure was made of a series 



