180 FORMICAEIID^. 



Above black ; concealed patch on interscapulars and greater and 

 lesser wing-coverts more or less tipped with white : beneath white ; 

 tail bliiclv, outer rectrices sometimes with slight white tips : whole 

 lengtli 9 inches, Aving 3-8, tail 8. Fcmah'. Above ferruginous 

 brown ; beneath wliite, flanks and crissum brownish. 



Iluh. Colombia, Eastern Ecuador, and Peru. 



a. cS ad. St. R. Ucayali. Gould Coll. 



b. (5 ad. sk. Bogota. Sclater Coll. 



c. 5 ad. sk. Bogota. Gould Coll. 



d. e. (^ 2 ^^- Pebas, E. Peru {Hauxwell) . Salvin-Godman Coll. 

 sk. 



/) '/■ 6 $ ad. Samiria, Peru {ILuLvwell). Salviu-Godman Coll. 



sk. 



/(. c? ad. sk. Sarayacu, Peru {Unrllett). Sclater Coll. 



/. 2 ad. sk. R. Ucayali (Bartlett). Sclater Coll. 



;. (S jr. sk. R. Ucayali {Hauxwell). Gould Coll. 



(Type of the species.) 



k, L 6 9- 'id. R. Amazons. Parcha.sed. 



sk. 



m. (S jr. sk. Rio Napo. Purchased. 



9. Thamnophilus borbae. 



Thamnophilus borbse, Pelz. Orn. Bras, pp. 75, 140 ; Scl. et Salv. 

 Kumencl. p. 69. 



Above black ; large concealed patch on the interscapulars and 

 tips of greater and lesser wing-coverts white : beneath white ; tail 

 black, two outer rectrices slightlj' barred on the inner webs 

 and tipped with white : whole length 8 inches, wing 3-8, tail 3. 

 Female. Above clear ferruginous brown : beneath white. 



Hah. River Madeira. 



I am doubtful whether this form can be maintained as distinct 

 from Th. major. The only difference I can find is the much less 

 amount of white-spotting in the tail of the present bird. 



a, (S ad. sk. Borba, Brazil (^Natterer). Sclater Coll. 



(Authentic specimen.) 



10. Thamnophilus major. 



Batara mayor, Azara, Apunt. ii. p. 192. 



Thamnophilus major, Vteill. Nouv. Diet. iii. p. 313; id. Enc. Meth. 

 p. 744 ; cTOrb. Voi/., Ois. p. 10(5 ; Cab. i>i Schomb. Guian. iii. p. 687 ; 

 Bp. Cunsp. i. p. 198; Sclater, Edinh. I'ltil. Jaiirn. n. s. i. p. i.'JS ; id. 

 P. Z. S. 1858, p. 209; id. Cat. A. B. p. 172 ; Taylor, Ibis, 1864, 

 p. 85 (Trinidad) ; Scl. et Salv. P. Z. S. 1867, p.. 575 (L. Amazons), 

 18G8, p. 168 (Venezuela), et 1879, p. 623 (BoUvia) ; iid. Nomencl. 

 p. 69 ; Pelz. Orn. Bras. p. 75 ; Finsch, P. Z. S. 1870, p. 5(57 

 (Trinidad); Luyard, Ibis, 1873, p. 386 (Para) ; Salv. Ibis, 1880, 

 p. 359, et 188.5, p. 423 (Brit. Guiana) ; White, P. Z. S. 1882, 

 p. 614 (rep. Arg.) ; Berl. J.f. O. 1887, pp. 16, 119 (Paraguay) 

 Scl. et Iluds. Ar<j. Orn. i. p. 203. 



