Vol. XVIII 



iqoi 



I Grinnell, Tvjo Races of the Varied Thrush. ^43 



tinge; feathers of lower tail-coverts basally sepia, laterally tawnv and 

 terminally buff. Tips of under wing-coverts and bar on inside of closed 

 wing pale buff. Lower surface of wings and tail light sepia. Small 

 wedge at tip of inner web of one outer tail-feather pale buff. 



Measurements of Type. — Wing, 4.75; tail, 3.60; tarsus, 1.25; middle 

 toe with claw, 1.17; culmen, .78; bill from nostril, .60. Primary for- 

 mula, 4-3-5-2-6-7-8-9-10-1. 



Range. — Northwest coast region; in summer, the Sitkan District; 

 south in winter along the coast as far as central California (Santa Cruz 

 Mountains). 



Hesperocichla naevia meruloides (revived name) , new sub- 

 species. 



Orpheus meruloides Swainsox, Fauna Boreali-Americana, 1S31, Birds, 

 p. 187. 



Type. — ? ad., No. 39S6, coll. J. G., Kowak River, Alaska, May 22, 

 1899 ; collected by J. Grinnell. 



Description. — Back and scapulars drab gray washed with sepia; rump 

 clear mouse gray ; upper tail-coverts and upper surface of tail hair brown ; 

 top of head and cervix bistre, shading posteriorly into color of back. 

 Dark parts of outer surface of closed wing varying from clove brown to 

 sepia ; light tips of middle and greater wing-coverts and edgings of prima- 

 ries buff. Foreneck ochraceous ; lores and auriculars hair brown ; post- 

 ocular stripe and small spot on lower eyelid cream buff; complete pectoral 

 band hair brown washed with Isabella color; under parts immediately 

 posterior to pectoral band rather pale tawny ochraceous, fading behind 

 into the pure white of the lower abdominal region ; feathers of sides 

 tipped with hair brown crescents which condense on flanks into a patch of 

 the same ; lower tail-coverts basally olive, laterally ochraceous and termi- 

 nally white. Tips of under wing-coverts and bar on inside of closed wing 

 white. Lower surface of wings and tail dark drab gray. White wedges 

 at ends of inner webs of three outer tail-feathers; wedge of outermost 

 tail-feather one half inch in length; those on the other two successively 

 smaller. 



Measurements of Type. — Wing, 5. 10; tail, 3.80; tarsus, 1.30; middle 

 toe with claw, 1.22 ; culmen, .82 ; bill from nostril, .63. Primary' formula, 

 3-4-5-2-6-7-8-9-10-1. 



Range. — In summer the interior of northern Alaska (eastward to the 

 Mackenzie River.'); wintering abundantly in southern California. . 



As is evident on comparing the above descriptions, well-marked 

 differences exist in the case of the female between the Varied 

 Thrush breeding in the humid Sitkan District and that of the 



