BIRDS OF NORTH AND MIDDLE AMERICA. 729 



Adult female.— Length (sldns), 91-97 (95); wing, 117.5-125.5 

 (121.1); tail, 26-32 (29.4); exposed culmen, 4..5-5 (4.6); tarsus, 

 10-10.5 (10.2); middle toe, 7.5-8 (7.7). « 



Islands of St. Vincent and Grenada, Lesser Antilles; also Tobago 

 and Trinidad, and continental portion of South America, from 

 British Guiana to eastern Ecuador and Peru and southern Brazil. 



[Acanthylis] poliourus (uot Cypselus poliourus Temminck) Bonaparte, Consp. 

 Av., i, 1850, 64.— Leotaud, Ois. Trinidad, 1866, 86, part. 



Chxtura polioura Chapman, Bull. Am. Mus. N. II., vi, 1894, 58 (Trinidad). 



Chxtura poliura Sclater, Cat. Am. Birds, 1862, 283; Proc. Zool. Soc. Lond., 

 1863, 101 (monogr.); 1865, 611 (monogr.); 1870, 329 (diagn.); Joum. fiir 

 Orn., 1867, 133.— Pelzeln, Orn. Bras., i, Abth., 1868, 16.— Finsch, Proc. 

 Zool. Soc. Lond., 1870, 558 (Triniddd; crit.).— Layard, Ibis, 1873, 389 

 (Para, lower Amazon; habits). — Sclater and Salvin, Proc. Zool. Soc. 

 Lond., 1873, 289 (Xeberos and Chamicuros, e. Peru). — Taczanowski, Orn. 

 du Perou, i, 1884, 229.— Cory, Ibis, 1886, 473 (St. Vincent, W. I.); Cat. 

 West Ind. Birds, 1892, 106, 143 (St. Vincent; Grenada).— Hartert, Cat. 

 Birds Brit. Mus., xvi, 1892, 484 (St. Vincent; Tobago; Cayenne; Aunai, 

 Brit. Guiana; Para; Xeberos and Chamicuros, e. Peru; Ecuador). — Koenigs- 

 WALD, Journ. fiir Orn., 1896, 372 (Sao Paulo, b. Brazil). — Clark, Proc. 

 Bost. Soc. N. II., xxxii, 1905, 273 (St. Vincent; Grenada). 



\Chsetura\ poliura Gray, Hand-list, i, 1869, 66, no. 762. — Pelzeln, Orn. Bras., 

 iv Abth., 1870, 401.— Sclater and Salvin, Norn. Av. Neotr., 1873, 95.— 

 Sharpe, Hand-list, ii, 1900, 92 (n. Brazil; e. Peru; e. Ecuador; Guiana; 

 Trinidad; "Lesser Antilles"). 



Ch\ditura\ poliura Hartert, Das Tiorreich, Podarg., Caprim., Macropt., 

 1897, 76. 



[Chsehira pelagica] var. poliura Baird, Brewer, and Ridgway, Hist. N. Am. 

 Birds, ii, 1874, 431. 



Acanthylis brachyura Jardine, Ann. and Mag. N. H., ser. 1, xviii, 1846, 120 

 (Tobago; coll. Sir W. Jardine). 



Chxtura brachyura Cory, Auk, v, 1888, 158 (St. Vincent); Birds West Ind., 1889, 

 294 (St. Vincent; Grenada).— Hellmayr, Novit. Zool., xiii, 1906, 37 (Trini- 

 dad; crit. nomencl.); Verh. Orn. Gesellsch. Bayern, viii, 1908, 148 (range; 

 synonymy; descr.). — Berlepsch, Novit. Zool., xv, 1908, 268 (Roche 

 Maria, Cayenne). — Lowe, Ibis, 1909, 310 (St. Vincent; crit.). 



Chxtura brachycerca Sclater and Salvin, Proc. Zool. Soc. Lond., 1867, 758, 

 pi. 34 (Xeberos, e. Peru; coll. Sir W. Jardine i>). — Sclater, Proc. Zool. 

 Soc. Lond., 1870, 329 (crit.). 



[Chxtura] brachycerca Gray, Hand-list, i, 1869, 66, no. 765. 



Suborder HETER0DACTYL.4'. 

 HETERODACTYLE CORACIIFORMES. 



=IIeterodactylcs Blainville, Bull. Soc. Philomat., 1816, 110. 



= Coccyges heterodactylx Sclater and Salvin, Nom. Av. Neotr., 1873, pp. vi> 



103. — Salvin and Godman, Biol. Centr.-Am., Aves, ii, 1895, 480. 

 =Heterodactyli Seebohm, Ibis, Jan., 1890, 37. 



fl Four specimens from St. Vincent. 



An adult of undetermined sex from Tobago measures as follows: Wing, 121.5; tail, 

 35.5; exposed culmen, 4.5; tarsus, 11.5; middle toe, 8. 



f> Now in coll. Brit. Mus.; see Sclater, Cat. Birds Brit. Mus., xvi, 1892, 485. 



