3-4. HAPAIOCERCUS. 



95 



Hapaiocercus flaviventris, Cab. Wiegm. Arch. 1847, i. p. 254; Bp. 



Cunsp. i. p. 185 ; Cab. et Hein. Mus. Hein. ii. p. 52 ; <SW. Cat. A. B. 



p. 210; Pelz. Om. Bras. p. 103; Scl et Salv. Nomencl. p. 46; 



Burin. La-Plata Reise, ii. p. 456 ; White, P. Z. S. 1882, p. 205 ; 

 Barrows, Bull. Nutt. Om. CI. viii. p. 199 (Entrerios) ; Dumford, 



Ibis, 1876, p. 159, 1877, pp. 34, 177, fit 1878, pp. 60, 395 (Arg. 



Rep.) ; Scl. et Hudson, Arg. Om. i. p. 137. 

 Arundinicola citreola, Landb. Wiegm. Arch. 1864, pi. i. p. 58 ? (ef. 



Scl. et Salv. P. Z. S. 1869, p. 160). 

 Euscarthmus (Hapaiocercus) flaviventris, Burm. P. Z. S. 1866, p. 2. 



Above mouse-brown ; wings and tail rather darker, witb edgings 

 like the back ; vertex more or less tinged with rufous : beneath 

 yellow ; under wing-coverts pale yellow ; bill and feet black : 

 whole length 4 - 8 inches, wing 2, tail 2. Female similar. 



Bab. S. Brazil, Paraguay, Uruguay, La Plata, and Chili. 



a. Ad. sk. Buenos Ayrea (Hashhurst). 



b. Ad. sk. Buenos Ayres (Hudson). 



c. Ad. sk. Buenos Ayres. 



d. $ ad. sk. Rio Negro of Patagonia (Hud- 



son). 



e. Ad. sk. Ohupat, Patagonia. 



f. Ad. sk. Pampas of Arg. Republic (Ley- 



bold). 



g. h. Ad. sk. Chili. 



t. Ad. sk. Chili (Leybold). 



j. $ ad. sk. Santiago, Chili (Landbeck). 



k. 2 ad. sk. Santiago, Chili (Landbeck). 



I. Ad. sk. Chili. 



7n. Ad. sk. Bolivia. 



Salvin-Godman Coll. 

 Sclatei Coll. 

 Sclater Coll. 

 Purchased. 



H. Dumford [C.]. 

 Salvin-Godman Coll. 



Zool. Soc. Coll. 



Salvin-Godman Coll. 



Sclater Coll. 



Salvin-Godman Coll. 



Purchased. 



T. Bridges [C.]. 



4. Hapaiocercus acutipennis. 



Hapaiocercus acutipennis, -SW. et Salv. P. Z. S. 1873, p. 187 (Bogota) ; 

 1879, p. 512 ( Antioquia) ; iid. Nomencl. p. 46 ; Tacz. Om. Per. ii. 

 p. 236. 



Above dark olive-green ; wings and tail brown with slight pale 

 edgings : beneath yellow ; outer primaries acuminated ; bill blackish ; 

 feet brown : whole length 4-5 inches, wing PS, tail P8. 



Hab. Colombia and Peru. 



The acumination of the wings which renders this species so 

 peculiar is carried to its greatest extent in the sixth, seventh, and 

 eight primary. 



a. Ad. sk. Bogota. 



b. Jr. sk. Bogota. 



c. 3 ad. sk. Antioquia, U. S. C. (Salmon). 



d. S ad. sk. Cosuipata, S. Peru (Whitehj). 



e. Jr. sk. S. America. 

 /. Ad. sk. S. America. 



Sclater Coll. (Type 



of the species.) 

 Sclater Coll. 

 Salvin-Godman Coll. 

 Salvin-Godman Coll. 

 Sclater Coll. 

 Jardine Coll. 



