568 NORTH AMERICAN BIRDS. 



(?. Colors brighter, the upper parts more decidedly olivaceous, the lower 

 parts with a strong brownish buffy tinge, yellow and orange of head 

 more intense, etc. Eggs .56 X -40. Sab. Pacific coast, from Cali- 

 fornia to Sitka 748a. R. satrapa olivaceus Baird. 



Western Golden-crowned Kinglet. 

 6 2 . Forehead and broad stripe across lores and behind eye black ; crown-patch 

 in male entirely vermilion-red. 



Otherwise much like B. satrapa. " Length 4J inches, extent of wings 

 6 ; bill along ridge nearly J, along the gape nearly J ; tarsus f ." 

 Sab. " Fatland Ford, on the Schuylkill river," Pennsylvania. (Only 

 one specimen known to have been obtained, this by Audubon, on 



June 8, 1812.) — . R. cuvieri Attd. Cuvier's Kinglet. 



a 2 . Nostrils hidden by a tuft of small bristle-like feathers ; adult without any black 

 on head. (Subgenus Phyllobasileus Cabanis. 1 ) 

 6 1 . Above grayish olive, the head not darker than back; adult male with 

 crown-patch bright minium-red, or scarlet-vermilion ; length 3.75-4.60, 

 wing 2.20-2.30, tail 1.85-1.90, bill from nostril .20-.22, tarsus .75. West 

 semi-pensile, very bulky (about 4.00 X 3.00-4.00 outside), composed of 

 fine strips or shreds of soft bark, feathers, etc., and green moss, lined 

 with hair and feathers ; cavity about 3.00 deep by 2.00 across ; attached 

 to extremity of branch of pine or spruce tree 10-20 feet, or more, from 

 ground. Eggs .55 X -43, dull whitish or pale buffy, faintly speckled or 

 spotted, chiefly round larger end, with light brown (sometimes nearly 

 plain). Sab. Whole of North America, breeding from extreme northern 

 border and higher mountains of United States northward ; wintering 

 in more southern United States and south to Guatemala. 



749. R. calendula (Linn.). Ruby-crowned Kinglet. 

 f. Above sooty olive, the head usually appreciably darker than back ; adult 

 male with crown-patch pinkish or purplish vermilion-red ; wing 2.00- 

 2.20, tail 1.70-1.95, bill from nostril .22-.25, tarsus .80. Sab. Guada- 

 lupe Island, Lower California. 



750. R. obscurus Eidgw. Dusky Kinglet. 



Genus POLIOPTILA Sclater. (Page 566, pi. CXXIV., fig. 2.) 



Species. 



Common Characters. — Adult males : Above plain bluish gray, the top of the 

 head sometimes glossy black ; wings dusky, with bluish gray edgings (the tertials 

 sometimes broadly edged with white) ; tail black, the exterior feathers partly 

 (sometimes almost wholly) white ; lower parts white or grayish. Adult females 

 similar to males, but without any black on head, and with the gray of a less 

 bluish tint. Young similar to adult females, but colors much duller, the gray of a 

 duller, more brownish hue. West built in trees, usually saddled upon horizontal 



1 Phyllobasileus Cab., Mus. Hein. i. 1850, 33. Type, Motacilla calendula Linn. 



