312 AVES : PASSERES. XLVI. 



cc. Tarsus not longer than middle toe with claw ; nostrils partly concealed 

 by feathers in the nasal fossae; bill not notched; sexes unlike. 



HESPEROCICHLA, 534. 

 bb. Wings long and pointed; (plumage partly blue). . . . SIALIA, 535. 



531. MYADESTES Swainson. (pvla, fly; e'Seorrfc, eater.) 



1018. M. townsendi (Audubon). FLY-CATCHING THRUSH. 

 TOWNSEND'S SOLITAIRE. Ashy gray, paler below ; wing bands 

 buffy ; tail blackish ; whitish ring about eye ; young with reddish 

 spots. L. 8. W. 4^. T. 4^. Rocky Mountains and westward, 

 straying E. to 111. (Nelson.) A most exquisite songster. (To 

 J. K. Townsend.) 



532. HYLOCICHLA Baird. (Gr., wood-thrush.) 



a. Wings never more than 3^ times tarsus; plain brownish above; spotted 



below. Wood-thrushes. 

 b. Reddish color of back most distinct on head. 



1019. H. mustelina (Gmelin). WOOD THRUSH. Cinnamon 

 brown, brightest on the head, shading into olive on the rump; 

 breast with large, very distinct dusky spots. L. 8. W. 4. T. 3. 

 E. U. S., in woodland ; our largest and handsomest wood thrush. 

 An exquisite songster. (Lat., weasel-colored.) 



bb. Reddish color of back equally distinct from head to tail. 



1020. H. fuscescens (Stephens). VEERY. TAWNY THRUSH. 

 WILSON'S THRUSH. Uniform reddish brown above ; breast and 

 throat washed with brownish or pinkish yellow, and marked with 

 small indistinct brownish spots. L. 7. W. 4j. T. 3. E. N. 

 Am., in damp woods, frequent; a fine songster, superior to the 

 wood-thrush in its range of notes. The Western variety, 111. to 

 Rocky Mts., var. salicicola Ridgway, is russet olive, the cheeks 

 paler, with broader markings. (Lat., dusky.) 



bbb. Back entirely olive, with no reddish shade anywhere, 

 c. Sides of head without buffy shades. 



1021. H. aliciae (Baird). GRAY-CHEEKED THRUSH. Very simi- 

 lar to the next, of which it may be a variety, but without buffy or 

 whitish ring about eye, or any buffy tint about head. E. N. Am., 

 ranging more northerly. A smaller form, with slenderer bill is var. 

 bicknelli Ridgway, in Catskills and N. (To Alice Kennicott.) 



cc. Sides of head more or less shaded with buffy. 



1022. H. ustulatus (Nuttall). OLIVE-BACKED THRUSH. Uni- 

 form olive above; breast and throat thickly marked with large, 

 dusky olive spots ; breast and sides of head strongly buffy-tinted ; a 

 conspicuous buffy orbital ring. L. 7J. W. 4. T. 3. N. Am. The 

 Western form (var. ustulata) is russet brown above, rather than 

 grayish olive as in the Eastern form, which is var. swainsoni Ca- 

 banis. (Lat., scorched.) 



