24 Oberholser, A New Hylocichla. [^ 



Geographic Distribution. — California, excepting the northern coast; 

 north in the interior to southern Oregon ; south, in winter, to Arizona 

 and southern Mexico. 



Description. — Type, male, adult, No. 79462, U. S. Nat. Mus. ; Santa 

 Barbara, California, June 25, 1S75 ; H. W. Henshaw. Upper surface 

 olive, the wing-quills and tail-feathers more brownish, the latter having 

 their outer webs somewhat more grayish than the inner ones; lesser 

 coverts and outer webs of all the other wing-feathers nearly like the 

 back; bases of inner webs of secondaries and innermost primaries buff. 

 Lores and eye-ring buff, the former mixed with brownish; sides of neck 

 and head buffy, much mixed with the color of the head; sub-malar streak 

 olive; throat and upper breast pale buff, the chin and center of throat 

 almost immaculate; sides of throat streaked with olive; jugulum with 

 triangular spots of the same color; remainder of under surface dull 

 white, sparingly spotted anteriorly, the sides and flanks heavily washed 

 with brownish gray; axillars dull brown, edged with buff. Wing, 98 

 mm.; tail, 78 mm.; exposed culmen, 13 mm. ; tarsus, 30 mm. 



Young in first plumage, male, No. 153944, U. S. Nat. Mus. ; Santa Cruz, 

 California, July 27, 1891 ; R. C. McGregor. Upper parts brownish olive, 

 the superior tail-coverts tipped with rufous; wings fuscous, the inner- 

 most secondaries, together with outer webs of all other of the wing- 

 feathers practically like the back ; tail similar, the inner webs somewhat 

 darker; head, neck, back, scapulars, lesser and median wing-coverts with 

 tear-shaped spots of deep buff; sides of head and neck deep buff, mixed 

 with the color of upper parts ; sub-malar streak dull brown ; chin buffy 

 white, unspotted ; jugulum and upper breast deep buff, heavily marked, 

 with brownish olive; remaining lower parts dull white, marked trans- 

 versely on anterior portion with buff and pale brownish olive; sides and 

 flanks washed with brownish olive; crissum dull buffy white; lining of 

 wing buffy, mixed with brownish. 



This new race most closely resembles Hylocichla ustulata 

 sivainsonii, from the eastern part of North America ; so closely, 

 in fact, that it has not infrequently been identified as such ; but 

 all records of ' swainsoniV from California belong undoubtedly 

 under the present form. It differs from swainsonii in more rufes- 

 cent coloration on the flanks, sides and upper surface, this being 

 often most noticeable on the tail and superior tail-coverts. The 

 same characters, though much more pronounced, distinguish it 

 from Hylocichla u. alme. It is usually paler than ustulata, and 

 has very much less of rufous tinge to the upper surface, includ- 

 ing both wings and tail ; the sides and flanks are more grayish ; 

 the buff of jugulum somewhat paler. Although most of these 



