206 FOEMICARITD^. 



a. <S ad. sic. Santa Marta, U. S. C. Sclater Coll. 



(Typo of the species.) 

 I). 5 ad. sk. San Esteban, Venezuela. Salvm-Godman Coll. 



43. Thamnophilus aspersiventris. 



Thamnopliilus aspersiventris, Lafr. et (VOrb. Si/?i. Av. i. p. 10; 

 cVOrh. Vet/., Ois. p. 171, pi. iv. tips. 1 ^^ , 2 5 (err. sub nom. Thamno- 

 philo schistaceo); Lafr. Her. Zool. 1844, p. S-'j; Schder, Eilinb. 

 Phil. Journ. n. s. i. p. 242 ; id. F. Z. S. ]8o5, p. 148, et 1858, p. 217; 

 id. Cat. A. B. p. 175 ; Bj). Consp. i. p. 198; 8d. et Salv. Nomencl. 

 p. 70 ; iid. P. Z. S. 1879, p. 623 (Bolivia). 



Above black, with a large basal blotch of white on the inter- 

 scapulars ; rump greyish ; wings black, bend of wing and margins 

 of coverts white ; wing-end brownish ; tail black, with white end 

 and a white bar on the outer web of the outer rectrix : beneath, 

 throat and neck black ; belly greyish white, with numerous bhick 

 cross bars ; under surface of wings white ; bill ard feet black : 

 whole length 6*5 inches, wing 3, tail 2"6. Female. Above greyish 

 olive with a slight rufous tinge ; wing-coverts black, margined with 

 white ; tail blackish, with white end and white bar on the outer 

 rectrix : beneath, throat and breast as above ; abdomen and under 

 wing-coverts clear yellowish fulvous. 



Hah. Bolivia. 



The narrow black cross bars on the belly at once distinguish this 

 species. The crest is quite short. 



a,h.(S^ ad. : Tilotilo, Yungas, Bolivia Salvin-Godman Coll. 



c. S jr. sk. {Buckley). 



d. 2 ad. i?k. Tilotilo, Yungas, Bolivia Sclater Coll. 



(Biickletj). 



e. cJad, ;/,*/. Simacu, Bolivia (/>wrWc^). Salviu-Godman Coll. 

 2 ad. sk. ■ 



/;. cJ ad. sk. Bolivia (Deville). Sclater Coll. 



Sect. E. Of smaller size ; plumage more or less barred with black 

 and white. (Group of Th. doliatiis.) 



Key to the Species. 



A. Barred above and (more or less) beneath. 



a. Cap black, with a white basal blotch . . 44. doliatus, p. 207. 



b. Cap uniform black. 



a'. Black and white bars beneath about 

 equal. 

 rOuter rectrices banded on both 



J webs 45. nif/ricristatus, p. 209. 



") Outer rectrices not banded on 



( inner webs 46. capistratus, p. 209. 



b'. "White beneath predominant. 



I Bars on middle of belly narrow . . 47. radiatus, p. 210. , 

 j Bars on middle of belly obsolete . 48. albicans, p. 210. 



