538 NORTH AMKKICAX BIRDS. 



within the hroa<l, continuous hlnck lu.ixillarv stripe. Female with the 

 throat wholly white. Unit. Kasti-rn I'rovinee North Auieriea, south 

 in winter into West huhes, and over whole <•!" Mexico, to (Juate- 

 niala ........... var. van' us. 



Crown always r«'(l in a»hih. A nuchal crescent of scarlet in lM»th 



sexes. Retl of the throat not conlined hy the hiack inaxillary stripe, 



which is interrupted hy it in the nnddle. allowinir tlu* red to touch the 



white stripe; a Un>iv of red on the auriculars. Female always with 



more or less red on lower part of the throat. Hub. Rocky M(»untains 



and Middle Province of rnited State.-? .... var. nuchulis. 



Witite a ltd hhick sfrt'jtes nji siile of head ohsnlete, as is also the black 



pectoral crescent, caused hij heiiaj overspread htf a continuous red 



ivash extendimj over ivlxde head, neck; and hrnisf. 



Whole head, n«'ek, and hreast red, with the lijjht and dark stripes of 

 the normal pattern only faintly traceahle. Sexes similar. Ilah. Pacific 

 Province of T'nited States, north to British Tolumhia . . var. ruber. 



2. S. 'williamsoni. Back unvariegated ; secondaries without bands of 

 white spots. 



Whole crown and upper parts (except lower part of rump and 

 upper tail-c«>verts, and winir-patcii). a stripe on side of head, a hroader 

 one on side of the throat, and the whole jujruluin and sides of the 

 breast, unbroken irlossy-black : abdomen bright lemon-yellow, ^falc 

 with a narnnv stripe of scarlet on middle of the throat. Feniale with 

 it white. Younf/ like the adult. Hnb. Western Province of United 

 States. 

 B. Wing without a white patch. Markings on sides regularly transverse. 



3. S. thyroideus. Head all round light lirown ; abdomen bright lemon- 

 yellow ; rump and upper tail-coverts white. Entire upper surface, with 

 sides, regularly and continuously barred with black and white, in nearly 

 equal amount : the black bars usually coalesced on the jugidum into a more 

 or less extensive patch, ^fale with the throat tinged me(lially with scarlet. 

 Female without any red. Hab. Western Province of United States. 



