SAXICOLA. 579 



Genus CYANECULA Brehm. (Page 571, pi. CXXIY., fig. 2.) 



Species. 



Common Characters. — Above plain grayish brown, the tail dusky, with basal 

 half (except of middle feathers) abruptly clear rufous ; a suj)erciliary stripe of dull 

 white; lower parts, from breast back, dull white, the sides tinged with grayish brown. 

 Adult males : Chin, throat, and breast blue, usually enclosing a spot of rufous or white 

 on lower part of throat, the blue bordered posteriorly by a blackish crescentic band, 

 this succeeded by a broader one of rufous. Adult females without any blue, the 

 chin, throat, and chest being whitish, bordered laterally and posteriorly by a nearly 

 continuous series of blackish spots ; a whitish malar streak. Young : Dark sooty 

 above and across chest, with narrow streaks of pale yellowish ; lower parts with 

 feathers whitish centi'ally, but bordered with sooty blackish ; under tail-coverts 

 pale buff. Nest in cavities in banks of streams, etc., comjDOsed of mosses and dried 

 grasses, lined with finer grasses and hair. Eggs 3-5, .73 X -55, pale olive, olive- 

 greenish, or brownish, deeper on or round larger end (sometimes uniform). 



a}. Adult male with throat-spot rufous; length about 6.00, wing 3.10-3.15, tail 2.35- 

 2.40, culmen .45-48, tarsus 1.10-1.15. Hah. Northern Europe and Asia; 

 casual (?) in western Alaska (St. Michael's). 



764. C. suecica (Linn.). Red-spotted Bluethroat. 

 al Adult male with throat-spot (if present) white, but throat, etc., frequently en- 

 tirely blue; wing 2.90-3.00, tail 2.10-2.30, culmen .45-.50, tarsus 1.00-1.10. 

 Hah. Central Europe, east to Kussia. 



C. wolfii Brehm. Bluethroat.' 



Genus SAXICOLA Bechstein. (Page 571, pi. CXXIY., fig. 5.) 



Species. 



Adult male : Above plain ash-gray, the wings and terminal third of tail black, 

 the basal two-thirds of the latter (except on middle feathers) white ; forehead, 

 superciliary stripe, lower rump, and upper tail-coverts also white ; a broad stripe 

 of black on side of head, including lores, orbits, and ear-coverts ; lower parts plain 

 light buffy anteriorly, white posteriorly. Adult female : Above duller gray, the 

 wings and terminal portion of tail dusky; lores dusky, and auriculars dusky gray- 

 ish, neither in marked contrast ; lower parts dull grayish buff anteriorly, dull 

 white posteriorly. Winter plumage : Above plain brown, the lower rump, upper 

 tail-coverts, and basal portion of tail white, as in summer; wing-feathers (blackish 

 in male, grayish dusky in female) conspicuously margined with light cinnamon or 



1 Sylvia loolfii Brehm, Beitr.-Vogelk. ii. 1822, 173. Cyanecula wolfii Brehm, Isis, 1828, 1280. 



