KEY TO FAMILIES. 



45 



Order VI. Odontoglossse, 



Large red or reddish 

 birds; bill with toothlike 

 ridges as in some Ducks, 

 the end half bent down- 

 ward ; tarsus 12-00 or more 

 in length. . . . Family 

 Pkmnieopteridai : Fla- 

 mingoes, p. 125. 



-Flamingoes. 



Fio. 18. 



Order via. Herodiones.— IIekons, Stokks, Ibises, etc. 



Toes four, all on the same level, slightly or not at all webbed ; lores bare; 

 legs and neck generally mucli lengthened. 



Fig. 20. 



Fig. 21. 



A. Bill straight and sharply pointed ; inner border of the middle toe- 

 nail with a eomblike edge. . . . Family Ardeidce : Herons, Egeets, 

 and Bitterns (Fig. 19), p. 128. 



B. Bill rounded, more or less curved downward ; no comb on the mid- 

 dle toe-nail. 



a. Size large, tarsus over 5-00. . . . Family Ciconiidai: Storks and 



Wood Ibises, p. 127. 

 h. Size smaller, tarsus under 500. . . . ¥&m\\y Ibididie: Ibises (Fig. 



20), p. 126. 

 O. Bill flattened and much broadened at the end. . . . Family Plata- 

 leidm: Spoonbills (Fig. 21), p. 125. 



