206 



PR^COCIAL GRALLATORES — LLMICOLiE. 



exclusively, north of the United States. The race occidentalis is chiefly restricted to the Western 

 Province of Xorth America ; the typical pusillus entirely confined to the Eastern Province. 



Sp. Char. Total length, about 5.75 to 6.50 ; extent, 11.00 to 12.00 ; wing, 3.50-4.00; culmen, 

 .68-1.15 ; tarsus, .80-.95 ; middle toe, .55-.65.1 Bill black, becoming greenish olive on basal part 

 of tlie mandible; iris dark lirowu; legs and feet greenish olive. Rump slate-color; upper tail- 

 coverts and middle tail-leathers dusky, other rectrices cinereous ; wing-coverts and tertials bi'own- 

 ish gray with dusky sliaft-streaks, the greater coverts tipped with white. Superciliary stripe and. 

 lower parts white, the former finely streaked with grayish dusk}'. Upper parts (except as 

 described) variegated brown, black and rusty in summer adults and young, plain ashy with dusky 

 shaft-streaks in winter plumage. 



Summer adult and young : Above brownish, varied with black, rusty, and white (the latter on 

 the terminal borders of the feathers — sometimes almost wanting) ; beneath white, the jugulum 

 streaked or spotted with dusky in the adult, shaded with grayish buff in young. JVinter pluinage : 

 Above, uniform ashy, finely streaked with dusky ; Ijelow, pure white. 



«. pusillus. 



Adult breeding-plumage : Upper surface light grayish brown, the sides of the pileum and edges 

 of some of the scapulars and interscapulars tinged with pale bufty cinnamon, but this sometimes 

 almost wholly absent ; pileum heavily streaked, and dorsal region heavily spotted, with black, the 

 latter color occupying the central portion of each feather. A streaked white superciliary stripe, 

 and dusky loral .space, the latter usually very distinctly defined along its upper edge, the lower 

 part broken into streaks, which extend backward over the cheeks ; auriculars streaked grayish 



'^-^ 



£J. pusillus. 



brown. Lower parts pure white, the jugulum and breast tinged w^ith ashy and streaked with 

 dusky. JVinter plumage : Above brownish gray or cinereous, relieved by dusky shaft-streaks ; 

 superciliary stripe and lower parts pure white, the jugulum faintly streaked. Young : Similar to 

 the summer adult, but jugulum tinged with pale grayish buft', and M'ithout well-defined streaks or 

 spots, the scapulars and interscapulars bordered terminally with white, and the brown usually less 

 rusty. Doiniy young: Forehead dingy white, divided by a mesial line of black; crown light 

 chestnut, marbled posteriorly with black and white ; occiput mottled whitish. A distinct loral 

 line of black, forking just before the eye, the upper branch running toward the anterior corner of 

 the eye, the other inclining downward. Throat fulvous-white ; other lower parts whitish, nearly 

 pure on the abdomen. Upper parts pale fulvous-brown laterally, black centrally, the whole surface 

 thickly bespangled with fine downy tufts, terminating the down-filaments. 



Wing, 3.50-4.00 (3.78) ; culmen, .68-.92 (.77) ; tarsus, .80-.95 (.86) ; middle toe, .55-65 

 (.61). [Eighteen summer adults measured.] 



h. occidentalis. 



Adult breeding-plumage: Upper surface liright rusty cinnamon, the feathers spotted centrally 

 with black, the cinnamon sometimes nearly uniform along the sides of the crown ; a white super- 

 ciliary stripe streaked with dusky grayish, this bordered below by a stripe of light rufous or rusty 



1 Forty-two adult specimens measured ; the average of this series is as follows : wings, 3.75 ; culmen, 

 .87 ; tarsus, .88 ; middle toe, .60. 



