KEY TO FAMILIES. 



43 



Fig. 11. 



Fig. 14. 



Fig. 10. 



Fig. 15. 



Order rV. Steganopodes.— Gannets, Cormorants, Pelicans (Fig. 

 10), etc. 

 All the toes, including the hind one, connected by webs. 



A. Bill generally sharply pointed, without a hawklike hook at its tip. 



a. Chin, or space between the forks of the lower mandible, feath- 

 ered. . . . Family Phaethojitidoe, : Tropic Birds (Fig. 11), p. 91. 



b. Chin bare. 



b^. Bill stout and slightly curved at the tip; middle tail-feathers 

 without "flutings". . . . Family ISulidde,: Gannets (Fig. 12), 

 p. 92. 



6*. Bill straight and slender; middle tail-feathers fluted. . . . 

 Family Anhingidce : Darters (Fig. 13), p. 93. 



B. Bill with a hawklike hook at the tip. 



a. Lores bare. 



a*. Bill over 12*00, with a large pouch. 



Pelicans, p. 95. 

 a». Bill under 12*00, no large pouch. . 



cidce: Cormorants (Fig. 14), p. 94. 



b. Lores feathered. . . . Y-Axn\\y Fr eg at Ida; : Man-o'-war Birds (Fig. 

 15), p. 97. 



. Family Pelecanidce : 

 Family Phalacrocora- 



