TURDID&. 571 



gin of ear-coverts. Adult female similar, but duller in general color, 

 with the black line bordering ear-coverts indistinct or obsolete ; 

 length about 4.20, wing 1.55, tail 1.90-2.00. Sab. Cuba. 



P. lembeyi Gundl. Cuban Gnatcatcher. 1 



Family TURDID^E. — The Thrushes, Solitaires, Stonechats, 

 Bluebirds, etc. (Page 323.) 



Genera. 



a 1 . Gonys not more than one-third as long as commissure, the bill short and 

 rather depressed. (Subfamily Myadestince. — The Solitaires.) 



Myadestes. (Page 572.) 

 a*. Gonys more than one-third as long as commissure, the bill more slender and 

 compressed. (Subfamily Turdinae. — The Thrushes.) 

 b 1 . Wing less than five times as long as tarsus; wings and tail without any blue. 

 &. First quill not reaching beyond tips of primary coverts ; tail without 

 clear rufous at base. 

 <P. Tail without white at base. 



e 1 . Tarsus decidedly longer than middle toe, with claw; nasal 



fossa? partly naked, the nostrils wholly exposed. 



f 1 . Tail less than three times as long as tarsus ; lower parts 



more or less spotted in adult.... Turdus. (Page 573.) 



/ 2 - Tail more than three times as long as tarsus, the lower 



parts plain (throat streaked) in adult. 



Merula. (Page 577.) 

 e". Tarsus not longer than middle toe, with claw ; nasal fossae en- 

 tirely filled with feathers, partly concealing the nostrils. 



Hesperocichla. (Page 578.) 

 d*. Tail with basal portion white ; plumage entirely without spots in 



adult Saxicola. (Page 579.) 



c 2 . First quill reaching beyond tips of primary coverts. 



d 1 . Feathers on top of head rather short, not forming an obvious 

 crest when erected ; outer web of outer tail-feather widening to- 

 ward end ; tail bicolored, the basal portion (except on middle 

 feathers) abruptly clear rufous ; sexes very different in color, 



the adult male with blue throat Cyanecula. (Page 579.) 



d*. Feathers on top of head lengthened, forming a decided bushy crest 

 when erected; outer web of outer tail-feather not widened 



toward end; sexes alike, and throat never blue Catharus. 2 



b*. Wing more than five times as long as tarsus. 



1 Polioptila lembeyi Gwn>L., Journ. fiir Orn. 1861, 32. 



s Catharus Bohap., Consp. i. 1850, 278. Type, ft immaculatus Bp.,= Turdus aurantiiroBtris Haktl. 

 (Represented by four species in Mexico and Guatemala, and others farther southward.) 



