FAMILY FURNARIIDAE 97 



under tail coverts. A. r. saturatus is darker above, with the crown 

 darker than the back. The tail is definitely black, with only a faint 

 tinge of brown, and the under surface is decidedly darker, especially 

 on the sides and flanks. 



AUTOMOLUS OCHROLAEMUS (Tschudi) : Buff-throated 

 Leaf-gleaner, Hojarasquero Garganticlaro 



Anabates ochrolaemus Tschudi, Arch. Naturg., vol. 10, Bd. 1, 1844, p. 295. 

 (Peru.) 



Medium size ; throat and upper f oreneck prominently white or 

 buff; rest of lower surface brown to grayish brown without definite 

 streaks. 



Description. — Length 170-185 mm. Rather heavy-bodied birds 

 with noticeably large, strong feet. Adult (sexes alike), crown and 

 hindneck grayish to blackish brown, with narrow shaft lines of dull 

 buff; back and scapulars olive-brown, the wings more rufescent with 

 the tips and inner webs dusky ; lower rump, upper tail coverts, and 

 tail chestnut ; a poorly marked superciliary streak dull buff ; side of 

 head like crown, indistinctly lined with buff ; throat and upper fore- 

 neck white or buff ; center line of breast and abdomen dull grayish 

 buff, or light wood-brown, with the sides olive-brown or tawny-olive; 

 upper breast with edges of the feathers slightly darker than the 

 centers, producing a faintly irregular mottling (not clearly defined 

 streaks) ; under wing coverts and edgings of inner webs of wing 

 feathers ochraceous-buff. 



Immature, somewhat darker, more olive above; feathers of lower 

 foreneck and upper breast more or less edged with olive, especially 

 at the sides, to produce a mottled appearance ; sides and flanks also 

 more olive. 



This forest species has an extensive range from Veracruz and 

 Oaxaca in Mexico south through Central America and South America 

 to Peru, Bolivia, and Brazil. Three quite distinct geographic races 

 are found in Panama. 



AUTOMOLUS OCHROLAEMUS EXSERTUS Bangs 



Automolns cxscrtus Bangs, Auk. vol. 18, October 1901, p. 367. (Divala, 

 Chiriqui.) 



Characters. — Throat and upper foreneck pale buff; somewhat 

 more olivaceous above and below than pallidigularis , with the breast, 

 abdomen, and sides more nearly uniform in color. 



Measurements. — Males (10 from Chiriqui and southwestern Costa 



