FAMILY TURDID^E. THRUSHES AND BLUE-BIRDS. 



321 



FAHILY TURDID^E. 



Thrushes and Blue=birds. 



First primary, very short; tarsus, booted (no scales showing, except 

 near the toes); bill, shorter than head. 



Group 1. Wing, from 3.25 to 4.75 inches long. 



Part 1. The following species have the underparts more or less streaked 

 or spotted : 



Thrush. 



Back, rump, and upper tail coverts, olive, about the same color; eye ring, 



cheeks, and lores, pale buff; no white on wing coverts. 



Olive-backed Thrush. 



Turdus ustulatus swainsoni. 

 See No. 564. 



