DIRECTOKY TO BIRDS OF EASTERN NORTH AMERICA. 



27 



r>v 



B, g, 1. 1-5 



lantic and southern oceans ; breeds on Kergulen Island in 

 February. Abundant off the eastern 

 coast of the U. S. from June until 

 Sep. 



[Note : on page 21, under 1I>, I 

 stated that none of the order dive. 

 Since this was printed I find, up- 

 on good authority, that the Fulmar 

 occasionally dives a little way under 

 water for its food. The Shearwaters ~^<^ 

 may also sometimes do this in order V\ 

 to catch the squid upon which some f^^ -^ 

 of them feed, but I have never seen ^^~ 

 one dive. ] D 



Water birds of varying sizes, but many of them are large. 

 Fig. 26. Hind toe, connected with the anterior 



toes by a web, fig. 33; there is an exten- 

 sible pouch beneath the bill (gula sac) 

 fig. 31 ; external nostrils, very small, fig. 

 27, or wholly absent, fig. 31. A well de- 

 fined, easily recognized group of birds, 

 having well established and clearly sep- 

 arated families, genera and species ; com- 

 paratively few in number, but, excepting 

 the polar regions, generally distributed 

 throughout the world. Young, naked 

 when hatched, fig. 26, but soon covered 

 E, B, a, 1. 1-3. with down; helpless and fed by regurgita- 

 tion. Middle toe nail pectinated in some genera, fig. 33, 35. 

 A. TROPIC BIRDS. Phaethontidae. 

 Ocean birds of moderate size, mainly white, but with 

 some dark markings above ; bill, pointed; gula sac, mostly 

 feathered, fig. 27; tail, short, graduated, but with the cen- 

 tral feathers narrowed and greatly elongated, fig. 29 ; toes, 



