24G FORMICARIIDJE. 



3. Herpsilochmus dorsimaculatus. 



Herpsiloclimus doisiiiuiculatus, Feb. Oni. Bras. pp. 80, 151 (Rio 



Negro). 

 Herpsilochmus, sp. inc., Salv. Ibis, 1885, p. 425 (Crit. Guiaua). 



Above cinereous ; cap black ; superciliaries extending to nape 

 white ; dorsal spot black mixed with white ; wings black with 

 white edgings ; tail black, with white tip and white bars on the 

 two lateral and two central feathers : beneath pale cinereous, throat 

 and middle of belly more white ; bill and feet plumbeous : whole 

 length 4"5 inches, wing 2"1, tail '2'\. Female similar, but cap spotted 

 with white and breast slightlj' fuscous. 



Hah. Guiana and llio Negro. 



Tins species is larger than the last two, has a longer tail, and the 

 two middle rectrices are regularly barred. 



a, b. c? ad. ; c, Roraima, Brit. Guiaua ( IVhitely). Salviu-Godman Coll. 



d. $ ad. ; e. 



c? jr. sk. 

 f,g. c^ad ; h,i. Roraima, Brit. Guiaua ( Whitely). Sclater Coll. 



5 ad. sk. 

 j. (5' ad.sk. Twek-quay, Brit. Guiana (7r7(j<eA/). Sal vin-Godraau Coll, 



4. Herpsilochmus longirostris. 



Herpsilochmus longirostris, Pelz. Orn. Bi'as. pp. 80, 150. 



Above cinereous ; cap black; lores and superciliaries white; dorsal 

 spot white mixed with black ; wings black edged with white, coverts 

 broadly tipped with white : tail black broadly tipped with white, 

 nearly whole apical half of outer rectrix white : beneath white ; 

 breast and sides of belly slightly freckled with cinereous ; bill plum- 

 beous ; feet blackish: whole length 5"5 inches, wing 2-4, tail 2"4. 

 Female. Above pale cinereous ; wings and tail as in the male ; whole 

 head and neck above rufous : beneath cinnamomeous, paler on the 

 lower belly. 



Hah. Matto Grosso, Brazil. 



The large size and jicculiar colour of the female distinguish this 

 fine species from //. piltatus and its allies. 



a,h. (S 2 ^^- s^' Chapada, Matto Grosso, Brazil Salviu-Godmau Coll. 

 {11. II. Smith). 



5. Herpsilochmus atricapUlus. 



Herpsilochmus atrieapillus, Felz. Orn. Bras. pp. 80, 150; Scl. et 

 Salv. Nomencl. p. 71. 



Above cinereous ; cap black ; superciliaries white ; dorsal spot 

 small, white with a little black ; wings black, edged with white ; 

 tail black, broadly tipped with white on lateral rectrices, median 

 rectrices with narrow white terminations : beneath white, belly 

 tinged with ochraceous ; bill pale brown, beneath pale whitish ; feet 



