' 



KEY TO FAMILIES. 



43 



Fio. 12. 



Fio. 13. 



Fio. 11. 



Fio. 14. 



Fio. 10. 



Fio. 15. 



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

 10), etc. 

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



A. Bill generally sharply pointed, without a liawklike liook at its tip. 



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

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



b. Chin bare. 



6>. Bill stout and sliglitly curved at the tip; middle tail-featliers 

 without "llutings". . . . Family iSuli(he: Gannets (Fig. 12), 

 p. 92. 



J*. l}ill straifjht and slender; middle tail-feathers fluted. . . . 

 Family Anhuifjiihv: Dartkrs (Fig. 13), p. 93. 



B. Bill with a hawklike hook at the tip. 

 a. Lores biire. 



a>. Bill over 12'00, with a large pouch. 



Pelicans, p. 95. 

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



cidiV. Cormorants (Fig. 14), p. 94. 

 h. Lores feathered. . . . Family Fregatidce : Man-o'-war Birds (Fig. 

 15), p. 97. 



. Family Pelecanidce: 

 Family Phalacrocora- 



