Biological Papers. 271 



613. Hirundo erythrogastra Bodd. Common Barn swallow. Breeds through- 



out the region in the cliff regions of both the islands and on the 

 mainland. 



Description: Tail much forked; upper parts glossy steel blue; forehead 

 dark brown; under parts tawny brown. Length of bird about 7. 



Nest: The nest is a bowl-shaped wall pocket made of mixed straw and 

 mud and lined with feathers. Eggs are usually about five in number, are 

 brown and lavender speckled over white. 



Genus Tachycineta. 



614. Tachycineta bicolor Vieill. White-bellied swallow. Common. 



Description: Upper parts steel blue; under parts pure white. 

 Nest : This bird's nest is usually in hollow trees. Eggs usually 5, color 

 white. 



615. Tachycineta thalassina lepida Mearns. Northern Violet-green swallow. 



Very common. 



This bird is easily distinguishable from the other swallows by its violet- 

 green plumage of upper parts ; under parts white. 



Nest : The nest is on cliffs, under the eaves of houses and in hollow trees. 

 A colony has its home under the eaves of the agency house at LaPush. The 

 nest is lined with feathers ; and, in case it is built under the house eaves, it 

 is otherwise made like the nest of the Barn swallow above. The eggs are 

 about 5 in number, white in color. 



Genus Riparia. 



616. Riparia riparia Linn. (?) Bank swallow. 



Genus Stelgidopteryx. 



617. Stelgidopteryx serripennis Aud. Rough-winged swallow. Common 



both on the mainland and on the islands of the Pacific front. 



Description : Under parts dirty gray to white on belly; tail coverts white; 

 upper parts dull grayish brown ; wing saw-toothed to roughened on edge. 

 Length of bird about 5. 



Nest : The nest is usually in holes in banks Eggs about 6, white in 

 color. 



Family Leniid.e : Shrikes. 



Genus Lanius. 

 622a. Lanius ludovicianus excubitorides Swains. White-rumped shrike; 

 camp thief; camp robber; butcherbird. Common. An Indian at 

 LaPush kept one of these birds in a cage. 



Description : Upper parts light slaty gray to whitish on upper tail cov- 

 erts ; under parts white; bill and beginning of front of head black. 

 Nest not seen. 



Family MNlOTlLTlDyE : Wood Warblers. 

 Genus Helrninthophila. 

 646a. Helrninthophila celata lutescens Ridgw. Lutescent warbler. Com- 

 mon ; nesting on both the islands and the mainland. 



Description : Under parts bright greenish yellow; upper parts bright olive 

 green. 



Genus Dendroica. 



652. Dendroica aestiva Gmel. Yellow warbler. Common, nesting on both 

 the mainland and the islands. 



Description : Upper parts yellow to tinged with orange on crown ; under 

 parts streaked with rufous. 



