of the United States. 65 



numerous near the Rocky Mountains, and extending far to 

 the north. 



74. Hirundo bicolor, Vieill. Dark greenish-blue, beneath 

 white; tail forked ; tarsi naked. 



Green-blue, or White-bellied Swallow, Hirundo viridis, 

 Wils. Am. Orn. v. p. 44. ph 38. fig. 3. 



Inhabits the United States during summer: less common 

 than the Hirundo rufa. 



75. Hirundo riparia, L. Above, and band on the breast, 

 cinereous-brown ; beneath white ; tail forked ; tarsi naked, 

 with a few tufts of downy feathers behind. 



Bank Swallow, or Sand Martin, Hirundo riparia. Wils. 

 Jim- Orn. v.p. 46. pi. 3Q.fig. 4. 



Inhabits both continents on high sandy banks, in large 

 communities: during summer only in the United States: 

 common. 



FAMILY X. CANORI. 



Dentirostres, Cuv. Latr. Myiotheres, Colluriones, Canori, 

 Canori, 111. Anerpontes, Vieill. Piezoramfi, hafioramji, 

 Metrioramfi, Collurioni, Ranz. Order lnsectivores, Temm. 

 Oscines, Brehm. 



Bill short, or moderate ; upper mandible almost always 

 notched and curved near the tip. Tahsi annulated, naked; 

 middle toe united at base to the outer. Wlngs moderate. 

 Tail of twelve feathers. 



Insectivorous : some feed also on berries. Build their 

 nests in woods and thickets; breed several times a year- 

 eggs rather numerous. Generally excel in song. Flesh 

 palatable. 



16. MUSCICAPA. 



Muscicapa, Lanius, L. Gm. Lath. Muscicapa, Briss. 111. 

 Muscicapa, Tyrannus, Muscivora, Lacep. Cuv. Musdpeta, 

 Cuv. Muscicapa, Musdpeta. Temm. Ranz. Muscicapa, 

 Tyrannus, Mecturus ? Platyrynchogj Vieill. 



