42 



BRITISH ANIMALS. 



Class II. BIRDS. 



f Order I. FISSIPIDES. Land Birds.— Toes free, and 

 formed for grasping or walking. 



Tribe 1. TERRESTRES— Tibial joint feathered. 



Sect. I. Ambulatores. — Three toes directed anleaUy, and 

 Jittedfor walking or grasping 



Nostrils hid under an 

 arched covering. Wings 

 short. 



II. Nostrils exposed or hid 

 only by feathers. 



GALLINAD^E Bill arched 



from the base. Eggs nume- 

 rous. 



COLUMBADjE Bill swollen 



at the base, nearly straight, 

 and subulate towards the ex- 

 tremity. 



ACCIPITRES— Bill and claws 

 strongly hooked. Limbs strong. 

 Tongue emarginate. Females 

 largest. 



PASSERES Bill nearly 



straight in the gape. No cere. 

 Males largest. 



.Sect. II. Scansores. — Two toes directed anteally, andjitted 

 for climbing trees. 



Tribe II. GRALLiE. Waders. — Lower end of the tibial 

 joint and tarsus naked. 



Order II. PALMIPIDES. Water Birds.— Toes web- 

 bed to their extremity, and formed for swimming. 



