4 BIRDS OF THE REPUBLIC OF PANAMA PART 3 



Larger, wing more than 100 mm ; lower surface dull green, heavily spotted 

 with buff to buffy white. 



Spotted woodcreeper, Xiphorhynchtis crythropygia, p. 41 



12. Small, tail shorter, less than 75 mm ; bill short, acutely pointed. 



Wedge-billed woodcreeper, Glyphorytichus spirurus, p. 20 



Larger, tail long, more than 80 mm ; bill longer, with tip of mandible 



decurved Long-tailed woodcreeper, Deconychura longicauda. p. 13 



13. Bill slender, straight, light-colored, the maxilla straight at tip ; side of head 



pale like malar region and throat. 



Straight-billed woodcreeper, Dendroplcx picus extivms, p. 32 



Bill heavier, maxilla dark-colored, wholly or in part, with tip decurved ; 



side of head dark like crown 14 



14. Back black, like crown, heavily streaked with buff. 



Black-striped woodcreeper, Xiphorhynchtis lachrymosus lachrymosus, p. 38 

 Back grayish brown to reddish brown; streaking present but in most re- 

 duced IS 



15. Bill stronger, heavier, straight except for tip of maxilla which is decurved ; 



streaks on breast broader, those on abdomen indefinite. 



Buff-throated woodcreeper, Xiphorhynchtis gtittattis, p. 34 



Bill more slender, decurved for distal half ; foreneck, breast, and abdomen 



with streaks narrower and sharply lined 16 



16. Larger, wing more than 100 mm ; crown and hindneck spotted with buff. 



Spotted-crowned woodcreeper, Lcpidocolaptcs affinis ncglcctus, p. 48 

 Smaller, wing less than 100 mm ; hindneck narrowly streaked with dull 

 white to buffy white. 



Streak-headed woodcreeper, Lcpidocolaptcs soulcycfii, p. 44 



DENDROCINCLA FULIGINOSA RIDGWAYI Oberholser: Brown 

 Woodcreeper, Trepador Pardo 



Figure 1 



Dendrocincla ridgxvayi Oberholser, Proc. Acad. Nat. Sci. Philadelphia, vol. 56, 

 June 29, 1904, pp. 448, 449 (in key), 458. (Talamanca, Costa Rica.) 



Dendrocincla olivacea Lawrence, Ann. Lye. Nat. Hist. New York, vol. 7, 1862, 

 p. 466. (Atlantic side on line of Panama Railroad, Canal Zone, Panama.) 

 Antedated by Dendrocops olivacetis Eyton, 1852, a synonym of Dendrocincla 

 tyrannina. (See Ridgway, U.S. Nat. Mus., Bull. 50, pt. 5, 1911, p. 292.) 



Chin and throat gray to light grayish brown, merging gradually 

 into the dark shade of foreneck. 



Description. — Length 200-220 mm. Adult (sexes alike), upper 

 surface plain brown, varying slightly from grayish brown to faintly 

 rufescent, usually duller on the crown ; rump and upper tail coverts 

 cinnamon-rufous ; tail cinnamon-rufous, with shafts of quills dull 

 black ; wing coverts like back ; primaries and secondaries rufescent, 

 the outer primaries tipped with grayish brown ; side of head olive 

 to dusky gray, streaked very narrowly with bufif; a narrow line of 



