1908] BIRDS. 43 



624. Red-eyed Vireo (Virsosylva olivacea). Male and female. 

 More generally known than any other member of this family of 

 woodland birds. 



Geog. Dist. Eastern North America, north to the Arctic regions. 



W. Va, Dist. Very common in all parts of the state. 



Nest Pensile in a forked branch, not far from the ground, five 

 to forty feet up. 



Food "it is universally recognized as a great insect-eater'' 

 (Weed and Dearborn). Especially valuable as a destroyer of 

 insects that attack forest trees. Sometimes eat berries. 



I 



627. Warbling Vireo (Vireosylva gilva}. A pair. These Vireos 

 are more common about our cities and towns than the other members 

 of this family. The Warbling Vireo should be well known to all 

 on account of its sweet song and useful habits. No birds sings 

 more persistently nor more sweetly from the shade trees along the 

 streets than does this small vireo, yet the passer-by does not know 

 the bird, and is ignorant of its form, its song, and its habits. 



Geog. Dist. North America in general, from the Fur Countries 

 to Oaxa/ca, Mexico. 



W.Va. Dist. Common throughout the state. Not found in the 

 mountain sections. 



Nest Pensile, suspended from a forked branch eight to forty 

 feet up. 



Food Insects that feed on the foliage of shade trees. An im- 

 mensely useful species. 



628. Yellow-throated Vireo (Lanivireo flavifrons) . Male and fe- 

 male. 



Geog. Dist. Eastern United States, north to Ontario. 

 W. Va. Dist. Tolerably common in woodlands. 

 Nest Suspended from a forked branch ten to forty feet up. 

 Three to four spotted eggs. 

 Food Forest insects. 



629. Blue-headed Vireo (Lanivireo solitanus). Male and female, 

 A subspecies, the Mountain Solitary Vireo, is some times found in 

 this state. 



Geog. Dist. Eastern North America to the Plains, north to 

 Hudson Bay. 



W. Va. Dist. An uncommon migrant, save in the mountain 



