6, CH^TURA. 485 



a, b. Ad. sk. St. Vincent, W. I., Apiil, l\Jav Salvin-Godman Coll. 



(D. W. Smith). 



c, d. (S ad. sk, I. of Tobag-o {Kirk). Jardine Coll. (Types 



oi Acanth. brachi/uruj Jard.) 



e. Ad. sk. Tobago. Sclater Coll. 



ft ih h. S ad. sk. Cayenne. 



i, ^. d' $ ad. sk. Aunai, British Guiana, May, Salvin-Godman Coll. 



June (//. Whit el I/). 



I. 5 ad. sk. Para, Sept. 3 {E. L. Lmjard). Tweeddale Coll. 



in. 2 ad. sk. Xebercs, E. Peru, June \E. Salvin-Godman Coll. 



Bartlett). 



n, 0. tS;p. 2 ad. Xeberos, E. Peru {E. B.). Sclater Coll. 



sk. 



q. 2 ad. sk. Chamicuros, Aug. (E. B.). Tweeddale Coll. 



r. Ad. sk. Chamicuros. Gould Coll. 



s. Ad. sk. Upper Amazons. E. Bartlett [C.]. 



t. Ad. sk. Ecuador. Salvin-Godman Coll. 



16. Chaetura sclateri. 



Chsetura sclateri, Peh. Orn. Bras. pp. 16, 56 (1868) ; Gray, Hand-l. 



i. p. 66 (1869) ; Scl. Sf Salv. P. Z. S. 1873, p. 289 (E. Peru) ; Tacz. 



Orn. Pirou, i. p. 230 (1884). 

 Chastura sclateri occidentalis* Berl. Sf Tacz. P. Z. S. 1883, p. 569 



(W. Ecuador) ; Reichen. df Schalow, J.f. 0. 1886, p. 83. 



Adult. Above black -with steel-blue gloss, but rump and upper 

 tail-coverts dark slaty grey, the longest of the latter only edged with 

 this colour ; underparts slaty grey, chin and throat palest, darker 

 towards the posterior parts ; the under tail-coverts being bluish 

 black ; tail-spines very long, if not abraded 0-25-0-3 inch. Total 

 length about 4-7 inches, wing 4-2 to 4-3, tail 1-8 to 1-9. 



The allied C. clnerciventris is much paler on the abdomen. 



Hab. Ecuador, Peru, and along the river Amazon to Borba on the 

 river Madeira. 



a. Ad. sk. Ecuador. Sclater Coll. 



b. Ad. sk. Ecuador. Salvin-Godman Coll. 

 e, (S ad. ; d. Ad. sk. Chamicuros, Peru. E. Bartlett Coll. 



17. Chaetura cinereiventris. 



Cypselus acutus, Wied (nee Gm.), Beitr. iii. p. 351 (1833). 

 Acauthylis spinicauda. Burin, (nee Teinm.) Syst. Ueber. Th. Bras. 



ii. p. 367 (1856). 

 Cha?tura cinereiventris, Scl. Cat. Ajn. B. p. 283 (1862) ; id. P. Z. S. 



1863, p. 101, pi. xiv. fig. 1 ; id. P. Z. S. 1865, p. 612 ; id. J. f. O. 



1867, p. 134 ; Pek. Orn. Bras. p. 16 (1867) ; Gray, Han'd-l. i. 



p. 06 (1860) ; Salvin, Cat. StricJd. Coll. p. 372 (1882). 



Adult. Above black with a little steel-blue gloss ; rump and 

 upper tail-covcrts pale ashy grey, the longest of the latter only 

 slightly margined with this colour : underparts ashy grey, paler on 



* Type compared. 



