846 ' PROCEEDINGS OF THE NATIONAL MUSEUM. voi..xxiv. 
pinkish cinnamon rufous; wind's and two middle tail-feathers fuscous, 
marg-ined with ])utf, cinnamon and ochraceous; forepart of crown, 
horns, lores, cheeks and jugulum black; forehead, superciliary stripe, 
auriculars, chin and throat pale yellow; sides of body pale cinnamon 
brownish, streaked with dark brown; rest of under parts white. 
Adult female in hreedhig plumage.— ^o. 163477, U.S.N.M.; Santa 
Cruz, California, March 26, 1898; R. C. McGregor. Back and head 
sepia, streaked with buti'y and ochraceous; nape cinnamon, streaked 
with dark brown; bend of wing and upper tail-coverts cinnamon 
rufous; wings and two middle tail-feathers fuscous, edged with buff 
and ochraceous; rest of tail brownish black, the outer pair of feathers 
margined with dull white; forehead, superciliary stripe, infra-auricular 
region, chin and throat pale yellow; sides of head mixed brownish, 
grayish and butfy; jugulum l)lack; breast washed with cinnamon; 
sides shaded with the same color, and streaked with dark brown; 
remainder of lower surface white. 
Adult male in. ivlnterjjlamaf/e.—l^o. 134321, U.S.N.M.; San Diego, 
California, September 1, 1894; Dr. Edgar A. Mearns. Similar to the 
summer male, but duller and less reddish above, the colors more 
blended; nape, occiput, ))end of w'mg and upper tail-coverts more 
pinkish; black areas obscured by grayish or brownish tips; breast 
spotted with dusk3\ 
Adidt female in whiter plumage. — No. 134322, U. S.N. M.; San Diego, 
California, September 1, 1894; Dr. Edgar A. Mearns. Resembles the 
summer female, but is darker, duller and more uniform above — all the 
decided markings toned down; breast heavily washed with bufl'y and 
conspicuouslj^ streaked with dusk}'. 
Young in first plumage. — No. 133966, U.S.N.M. ; last monument 
on Mexican and United States boundary line, at Pacific Ocean, in San 
Diego County, California, July 14, 1894; Frank X. Holzner. — Back 
and head sepia, streaked and spotted with l)uffy and ochraceous; cervix 
ochraceous, barred with dull rufescent luown; wings and two middle 
tail-feathers fuscous, margined with butfy and ochraceous; rest of tail 
brownish black, the outer pair of feathers edged with white; sides of 
head mixed brownish and butfy; throat yellowish white, with few spots 
of dusky; breast deep bufl', heavil}' spotted with dusk}'; sides of body 
shaded with cinnamon butf"; rest of under surface dull white. 
This California subspecies ma}' be most readily distinguished from 
true ehrysolcBma of the Valley of Mexico by the much paler yellow of 
the head and throat, in addition to the lighter, more rufescent color 
of the upper surface. It averages smaller, and the cinnamomeous por- 
tions of the plumage have usually less pinkish tinge. The differential 
color characters are, as is quite often the case among the races of Oto- 
corls alpestrls., much more strongly marked in autunm and winter than 
in summer specimens. In this case it is due in a measure to the fact that 
