Biological Papers. 269 



Family Troglodytid^: Wrens, Thrashers, etc. 

 Genus Olbiorchilus. 

 722a. Olbiorchilus hiemalis pacificus Baird. Western Winter wren. Resi- 

 dent throughout the year, breeding, also, on the islands off the 

 coast. The "scolder, " called in the Quileute language "cho-cho. " 



Description: Upper parts dark brown, sometimes narrowly barred with 

 black; belly and under tail coverts barred; breast and throat tawny; flanks 

 darker. 



Nest: The nest is usually in hollow chinks in dead logs and stumps. It 

 is made of moss and shreds of the inner bark of trees and is lined with 

 feathers. The eggs are usually 7 in number, minutely but sparsely spotted 

 with reddish brown over a creamy white. 



Wherever you go in the woods this bird is always present and is hopping 

 about from log to log and from underbush to underbush as he keeps up a 

 continual scolding chirp. 



Family Certhiid^: Creepers. 

 Genus Parus. 



Subg-enus Parus. 



7356. Parus atricapillus occidentalis Baird. Oregon chickadee. Common 

 resident, an abundant migrant. 



Description: Tail not long; under parts generally white; back dark gray, 

 sometimes washed with olive brown; sides tawny brown; sides of head 

 white; top of head, also back of neck, a shiny black. Length of bird 

 about 5. 



741. Parus rufescens Towns. Chestnut-backed chicadee. But two indi- 

 viduals of this species were seen. 



Description: This bird is easily distinguishable from the other chicka- 

 dees by its back, sides and flanks being reddish brown; under parts white; 

 sides of head white, top of head and upper part of neck brown; throat 

 blackish brown. 



Family Sylviid^: Kinglets, Gnatcatchers, etc. 



Genus Regulus. 



748a. Regulus satrapa olivaceous Linn. Ruby-crowned kinglet. Common. 



Description: Under parts dirty white; upper parts grayish, washed with 

 greenish on rump; crown bright red; feathers of upper parts with yellow 

 edges. Length of bird about 4. 



Family Turdid^: Thrushes, Solitaires, Bluebirds, etc. 

 Genus Hylocichla. 

 758. Hylocichla ustulata Nutt. Russet-backed thrush. Comm.on, breeding 

 both on the mainland and on the islands. 



Description: Upper parts russet color; tail a brownish olive brown; chest 

 pale whitish; under parts white; sides white, washed with olive brown; eye 

 ring buffy; sides of head tawny; upper parts more or less spotted. Length 

 of bird about 7. 



Nest: The nest is composed of moss and shreds of bark. It is usually 

 in some marshy place in some small tree. The eggs are about 5 in number, 

 spotted with rusty brown over blue to greenish blue. 



Genus Merula. 



761a. Merula migratoria propinqua Ridgw. Western robin. Common. 



Description: Hind neck, tail, head and wings black to blackish; rest of 



