148 ON SYSTEMATIC ZOOLOGY. 
IV. Gratts. Wading Birds. (Grallatores Hliger.) 
Pheenicopterus. 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. Jbis. Bill bending down; chin with a pouch. 
Ardea. Heron. Bill straight, sharp, long. 
Recurvirostra. Avoset. 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. 
Rallus. Rail. Bill somewhat keeled; body compressed. 
Hematopus. Oyster-catcher. Bill compressed, the tip 
wedged ; feet three-toed. 
Charadrius. Plover. Feet three-toeed; bill roundish, ob- 
tuse. 
V. Gatun.’ Gallinaceous Birds. (Rassores Iliger.) 
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. VPeacock. 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. Bil! thick, conic, oval. 
Fringilla. Finch. Bill thick, conic, sharp pointed. 
Emberiza. Bunting. Margins of the bill inflexed; lowe: 
mandible thickest. 
_ Caprimulgus. Goatsucker. Bill small, depressed, bristled ; 
nostrils tubular. 
Hirundo. Swallow. Bill depressed, bent in on the point. 
Pipra, Manakin. Bill subulate, tip bent. 
