8. CLYTOCTANTES. 9. DYSITHAMNUS. 219 



Uuiform black, with a concealed white patch at the base of the 

 interscapiilaries ; bill dark lead-colour, whitish beneath ; feet black : 

 whole length 5-5 inches, wing 3, tail 2-1. Female similar, but with 

 a large pectoral patch of deep chestnut. 



Hub. llio Negro district and E. Ecuador. 



a. (S ad. sk. Marabitanas, Eio Xegro {Nat- Sclater Coll. 



terer). (Authentic specimen.) 



b,c. c? 2 ad. ; Sarayacu, Ecuador {Buckley). Salviu-Godman Coll. 

 d. 2 jr. sk. 



8. CLYTOCTANTES. 



Clytoctantes, Elliot, P. Z. S. 1870, p. 242 C. alixi. 



This extraordinar}' bird seems to be an exaggerated form of 

 Neoctantts, distinguished by the greater development of the upturned 

 bill and larger feet. Mr. Elliot describes it as from Ecuador, but 

 the only specimen before me is a " Bogota skin." 



1. Clytoctantes alixi. 



Clytoctantes ahxi, ElUof, R Z. S. 1870, p. 242, pi. xx. (Ecuador) ; 

 Scl, et Salv, Nornencl. p. 71. 



Upper part of head blackish ; throat, ear-coverts, and upper breast 

 intensely black ; back and lower part of breast dark slate-colour, 

 almost black ; concealed white spot on interscapularies ; bill lead- 

 colour ; feet black : whole length 6 inches, wing 3, tail 27. Female. 

 Brown ; wings and tail blackish ; front and sides of head and body 

 beneath chestnut ; concealed spot on interscapularies white : whole 

 length 5-5 inches, wing 3, tail 2-4:. 



Hah. Ecuador and Colombia. 



«• 2 ad- sk. Bogota. Salvin-Godmau CoU. 



9. DYSITHAMNUS*. 



Dysithamuus, Cah. Wiegm. Arch. xiii. pt. i. p. 223 (1847) D. guttulatus. 



This is merely a feeble form of Thamnophilm, and it is difficult to 

 decide to which of the two genera to refer some of the species. The 

 more typical forms have a shorter tail. As here considered, Dysi- 

 thamuus extends from the lower part of Central America, over South 

 America, down to S. Brazil and Bolivia. 



Keij to the Species. 



A. Plumage varied ; cap of male cinereous, of 

 female rufous ; more or less olivaceous or 

 white beneath. 



* See also : — 



(1) B. offinL; Pclz. Orn. Uras. pp. 80, 149 (Brazil). 

 (2; 1>. tamhiUanus, Tacz. Orn. Per. ii. p. 30 (Peru). 



