148 ON SYSTEMATIC ZOOLOGY. 



IV. GRALLJB. Wading Birds. (Grallatores Illiger.) 



Phcenicopterus. Flamingo. Bill toothed, bent as if broken. 



Platalea. Spoonbill. Bill depressed, widened at the end. 



Palamedia. Screamer. Bill sharp, hooked at the end. _ 



Mycteria. Jabiru. Bill bending upwards. 



Tantalus. Ibis. Bill bending down ; chin with a pouch. 



Ardea. Heron. Bill straight, sharp, long. 



Recurvirostra. Auoset. Bill subulate, pointed, turned up. 



Scolopax. Curlew. Bill straight, round, blunt. 



Tringa. Sandpiper. Bill blunt ; back toe raised. 



Fulica. Water Hen. Bill at the root and front bare. 



Parra. Jucana. Bill at the base and front warted. 



Psophia. Trumpeter. Bill a little arched ; nostrils oval. 



Cancroma. Boat-bill, Bill keeled above; nostrils in a fur- 

 row. 



Hallus. Rail. Bill somewhat keeled ; body compressed. 



Hsematopus. Oyster-catcher. Bill compressed, the tip 

 wedged ; feet three-toed. 



Charadrius. Plover. Feet three-toed ; bill roundish, ob- 

 tuse. 



V. GALLINJE." Gallinaceous Birds. (Eassores Illiger.) 

 Otis. Bustard. Bill convex ; tongue notched. 

 Struthio. Ostrich. Bill conic ; wings not formed for flight. 

 Didus. Dodo. Bill straight in middle, and wrinkled ; face 



naked. 

 Pavo. Peacock. Bill naked ; feathers of the crown turned 



back. 

 Meleagris. Turkey. Face and neck covered with naked 



wattles. 



Crax. Globe-crest. Bill covered at the base with a cere. 

 Phasianus. Pheasant. Cheeks naked, smooth. 

 Numidia. Guinea Hen. Bill with wattles at the base. 

 Tetrao. Partridge. A naked coloured skin above the eye. 



VI. PASSERES. Perching Birds. Bill conic, sharp pointed. 



(Insessores Vig.) 



Loxia. Grosbeak. Bill thick, conic, oval. 

 Fringilla. Finch. Bill thick, conic, sharp pointed. 

 Emberiza. Bunting. Margins of the bill inflexed; lowei 



mandible thickest. 

 Caprimulgus. Goatsucker. Bill small, depressed, bristled ; 



nostrils tubular. 



Hirundo. Swallow. Bill depressed, bent in on the point. 

 Pipra. Manalcin. Bill subulate, tip bent. 



