590 COLLEGE ZOOLOGY 



Order 12. Procellariiformes. — Albatrosses and Petrels. — 

 Marine birds with webbed toes; powers of flight, great; sheath 

 of bill of several pieces; three families. Examples: Diomedea, 

 Albatross (Fig. 488); Procellaria, Petrel (Fig. 489). 



Order 13. Ciconiiformes. — Stork-like Birds. — Aquatic or 

 marsh-birds with feet adapted for wading; four suborders, one 

 superfamily, and thirteen families. Examples: PelecaniDjE, 

 Pelicans; Phalacrocoracid^e, Cormorants (Fig. 490); An- 

 hixgid.e, Snake-birds; Ardeid-e, Herons; Ibidid^e, Ibises; 

 Phcenicopterid.e, Flamingos (Fig. 491). 



Order 14. Anseriformes. — Goose-like Birds. — Aquatic 

 birds with beak covered by a soft, sensitive membrane and edged 

 with horny lamellae ; two suborders and two families. Examples : 

 Palamedeid^;, Screamers; Anatid^e, Swans, Geese, and 

 Ducks (Fig. 492). 



Order 15. Falconiformes. — Falcon-like Birds. — Carniv- 

 orous birds with curved beak, hooked at the end; feet adapted 

 for perching and provided with strong, sharp claws; three sub- 

 orders and four families. Examples: Cathartid^e, American 

 Vultures; Gypogeranid^e, Secretary-birds; Falcoxid.e, Falcons; 

 Buteonid^e, Eagles, Hawks, Vultures, etc. (Figs. 493-495). 



Order 16. Galliformes. — Fowl-like Birds. — Terrestrial or 

 arboreal birds with feet adapted for perching; four suborders and 

 seven families. Examples: Phasianid^e, Turkeys, Quails, 

 Pheasant, etc.: Opisthocomid,e, Hoactzin. 



Order 17. Gruiformes. — Craxe-like Birds. — Mostly marsh 

 birds; seven families. Examples: Rallld^e, Rails; Grtjid,e, 

 Cranes. 



Order 18. Charadriiformes. — Plover-like Birds. — Terres- 

 trial, arboreal, or marine birds; four suborders and twelve 

 families. Examples: Charadriid.*:, Plovers, Snipes, and 

 Curlews; Larid,e, Gulls and Terns (Fig. 497); AlctDjE, Auks 

 (Fig. 49S); COLUMBID.E, Pigeons (Fig. 470). 



Order 19. Cuculiformes. — Cuckoo-like Birds. — Arboreal 

 birds with first and fourth toes directed backwards; fourth toe 



