NORTH AMERICAN BIRDH. 



411 



The same general habits characterize the Cuban Cliff Swallow as are common to 

 P. lunifrons. 



613. BAKIT SWALLOW. Chelidon erythrogaster (Bodd.) Geog. Dist.— Whole 

 of North America; south in winter to Central America, West Indies, and various 

 portions of South America. 



Nearly everyone knows this beautiful, deeply forked-tailed Swallow which builds 

 its nest in barns and under the eaves of other outbuildings. The female bird of 

 this species, however, does not possess as deeply a forked tail as is common in the 

 male birds. The nest is a bowl-shaped structure, entirely open above, composed of 



613. Bark Swallow and Nest (E. S. Cheney del). 



pellets of mud, mixed with straws, and warmly lined with soft feathers. It is at- 

 tached by one side to the rafters within barns, on the sides of caves, etc. From 

 three to five or six eggs are deposited; they are white, marked with spots and 

 blotches of bright reddish-brown, chiefly at the larger end. The eggs appear rather 

 narrow for their length; sizes range from .68 to .78 in length by .50 to .56 broad; aver- 

 age size, .75X.55 inches. 



614. TREE SWALLOW. Tachydneta Ucolor (Vieill.) Geog. Dist.— Whole of 

 North America in summer; wintering from Southern Florida, Cuba and Gulf coast 

 to Guatemala. 



