FAMILY FURNARIIDAE 59 



26. A postocular streak of rufous ; breast rufous, indistinctly streaked ; brighter, 



more reddish brown on back and rump 



Lineated leaf-gleaner, Syndactyla subalaris, juvenile, p. 85 

 No distinct postocular streak ; breast streaked heavily with cinnamon-rufous ; 

 duller, darker brown on back and rump. 



Streak-breasted leaf-gleaner, Thripadcctes nifobrunncns, p. 101 



27. Throat and upper foreneck white, with the feathers edged with brown or 



black Scaly-throated leaf-scraper, Sclcriirus guafcntalensis, p. 115 



Throat rufous, cinnamon, or gray, unmarked 28 



28. Throat gray ; a distinct rufous band on lower foreneck and breast. 



Gray-throated leaf-scraper, Sclerurus albigularis canigularis, p. 110 

 Throat cinnamon to rufous, shading into darker rufous of breast. 



Tawny-throated leaf-scraper, Sclerurus inexicanus, p. Ill 



SYNALLAXIS ALBESCENS LATITABUNDA Bangs: Pale-breasted 

 Spinetail, Canastero Pechiblanco 



Figure 6 



Synallaxis albescens latitabunda Bangs, Auk, vol. 24, July 1907, p. 298. (Boruca, 



Puntarenas, Costa Rica.) 

 Synallaxis albescens hypoleuca Ridgway, Proc. Biol. Soc. Washington, vol. 22, 



April 17, 1909, p. 73. (Nata, Code, Panama.) 



Small, slender, with long, pointed tail ; throat white, crown and 

 wing coverts cinnamon-rufous. 



Description. — Length 140-152 mm. Adult (sexes alike), fore 

 crown to level of the eyes mouse gray, with indistinct darker shaft 

 lines; rest of crown and nape cinnamon-rufous; lesser and middle 

 wing coverts light cinnamon-rufous, the greater coverts in part 

 slightly paler ; rest of upper surface grayish brown, with wings and 

 tail edged lightly with warmer brown ; anterior lores grayish white ; 

 atiricular region mouse gray, lined lightly with white ; rest of side 

 of head pale mouse gray ; chin and upper throat white ; lower throat 

 gray to dusky basally, tipped with white, producing an indistinct 

 spot ; sides of neck and breast light mouse gray, slightly paler toward 

 center ; lower breast and abdomen white ; sides, flanks, and under 

 tail coverts light brown ; inner margin of wing feathers, and posterior 

 under wing coverts white ; rest and edge of wing pinkish buff. 



Immature, upper surface duller, plain brown, with the occiput, 

 wings, and outer margins of tail feathers slightly brighter, more 

 rufescent, especially on the wing coverts ; under surface huffy brown, 

 paler, verging toward white on throat and abdomen. 



An adult female, collected at La Jagua, Panama, March 21, 1961, 

 had the iris light brown ; maxilla dark neutral gray ; mandible neutral 



