184 ■ FOHMICAEIID^. 



Tbamnophilus fuliginosus, Gould, P. Z. S. 1837, p. 80 (Demerara) ; 

 Sclater, Edinb. Phil. Journ. n. s. i. p. 234 ; id. P. Z. 8. 1858, p. 208 ; 

 id. Cat, A. B. p. 171 ; Sel. et Salv. Nomencl. p. 69. 



Above cinereous; head crested, blackish : beneath rather clearer; 

 throat blackish : -whole length 7*5 inches, wing 3'8, tail 3*1 . 

 Female. Above more or less ferniginons ; tail cinereous, with black 

 cross bars : beneath pale cinereous, with narrow black cross bars, 

 middle of belly more whitish. 



Hah. Guiana and Amazonia. 



In form this species comes nearer to the next section, but it has a 

 banded female. 



a. S ad. St. Cayenne. Zool. Soc. CoU. 



b. 5 ad. St. Cayenne. Baron Laugier's Coll. 

 c,d. cT 2 ad. sk. ; Bartica Grove, Brit. Guiana Salvin-Godman Coll. 



e. Jr. sk. (IVhiteli/). 



f. c? ad. sk. Bartica Grove, Brit. Guiana Sclater Coll. 



( Whitely). 

 (J. S ad. sk. Camacusa, Brit. Guiana Salvin-Godman Coll. 



( Whitely). 

 h. (S jr. sk. Guiana. Sclater Coll. 



I. cS ji". sk. Cayenne. Sclater Coll. 



Sect. B. Of large size ; bill strong and hooked ; tail shorter, 

 slightly rounded ; plumage black and white. 



Kci/ to the Species. 



A. Plumage beneath mostly white. 

 a. Tail without white cross bars. 



JCrissum black 6. melanocvissus, p. 184. 



Crissum black barred with white . . 7. transandeanus, p. 185. 



Crissum white 8. melammis, p. 185. 



h. Tail with black cross bands. 



I Eectrices slightly barred 9. horla, p. 186. 



I Eectrices strongly barred 10. major, p. 180. 



B. Plumage beneath mostly black 11. rohdei, p. 187. 



6. Tbamnophilus melanocrissus. 



Thamnophilus melanocrissus, Sclater, P. Z. <S'. I860, p. 262 (S. Mex- 

 ico) ; id. Cat. A. B. p. 172; Lawr. Ann. Lye. N. Y. ix. p. 107 

 (Costa Rica) ; Frant:i. J. f. O. 1869, p. 305 (Costa Ilica) ; Scl. et 

 Salv. P. Z. S. 1870, p. 837 (Honduras) ; Nuttiny, Pr. U. S. N. M. 

 vi. p. 405 (Nicaragua). 



Thamnophilus melanuriis, Sclater, P. Z. S. 1857, p. 203 (Mexico) ; Scl. 

 et Salv. Ibis, 1859, p. 119 (Honduras). 



Above black ; large concealed patch on interscapulars white ; 

 greater wing- coverts occasionally with slight white tips : beneath 

 white; crissum black: whole length 7"6 inches, wing 3"5, tail 3-1. 

 Female similar, but body above and crissum dark ferruginous. 



Hah. S. Mexico and Central America down to Costa Rica. 



