472 THRUSHES, SOLITAIRES, BLUEBIRDS, ETC. 



in the hush of sunset, when the western sky is aglow and the deep 

 voice rises from its chantry in slow, soul-stirring cadences, high-up- 

 high-up, look-up, look-up. 



75 9c. H. g. nana (And.). DWARF HERMIT THRUSH. 



Like guttata, but color darker and richer ; upper parts brownish oliva- 

 ceous, tending toward raw umber ; top of head and rump browner than 

 back ; upper tail coverts and tail burnt umber ; under parts more buffy 

 than in guttata. Wing: 3.25, tail 2.75, bill .50, tarsus 1.12. 



Distribution. Pacific coast region, from Washington southward, breed- 

 ing south to Sierra Nevada region ; east in migrations to Nevada and Ari- 

 zona, and south to Lower California and western Mexico. 



GENUS MERULA. 



General Characters. Bill slender and compressed, 

 "O"7" notched near end ; nostrils wholly exposed ; tail more than 

 three times as long as tarsus ; under parts spotted in 

 Fig. 599. young. 



KEY TO SPECIES. 



1. Outer tail feather with distinct white spot at tip of inner web ; colors 



darker migratoria, p. 472. 



1'. Outer tail feather without distinct white tip to inner web ; colors paler. 



propinqua, p. 472. 



761. Merula migratoria (Linn.}. ROBIN. 



Like M. m. propinqua, but outer tail feather with a distinct white spot 



at tip of inner web ; 

 anterior portion of 

 back usually some- 

 what clouded with 

 black in fully adult 

 birds. Length : 9-10, 

 wing 4.90-5.40, tail 

 4.10-4.50,bill.S5-.92. 

 Di stribution. 

 Breeds from Alaska 

 and the arctic coasts 

 southeast through 

 Hudson Bay region 

 and the Rocky Moun- 



From Biological Survey, U. S. Dept. of Agriculture. ta j ng to Kansas, Vir- 



Fig. 600. ginia, and the Atlan- 



tic coast ; winters from southern Canada southward. 



Nest and eggs. Like those of M. m. propinqua. 



Food. Crickets, grasshoppers, and other noxious insects, seeds, wild 

 fruit, and berries. 



76 la. M. m. propinqua Eidgw. WESTERN ROBIN. 

 Adults. Head, wings, and tail blackish ; rest of upper parts slaty 



