igi8. CATALOGUE OF BIRDS or THE AMERICAS CORY. 141 



Chaetura cinereiventris phaeopygos Hellmayr. GRAY-RUMPED SWIFT. 



Chaetura cinereiventris phaeopygos HELLMAYR, Bull. Brit. Orn. Club, XVI, 1906, 

 p. 83 (Carrillo, east Costa Rica); RIDGWAY, Bull. U. S. Nat. Mus., No. 50, V, 

 1911, p. 728. 



Range: Eastern Nicaragua and Costa Rica. 



Chaetura egregia Todd* BOLIVIAN SWIFT. 



Chaetura egregia TODD, Proc. Biol. Soc. Wash., XXIX, 1916, p. 97 (Rio Surutu, 

 Bolivia). 



Range: Bolivia. 



*Chaetura brachyura (Jardine). SHORT- TAILED SWIFT. 



Acanthylis brachyura JARDINE, Ann. & Mag. N. H., 1846, p. 120 (Tobago). 

 Chaetura cinereicauda CASSIN, Proc. Ac. Sci. Phila., V, 1858, p. 58, pi. 13, 



Fig. 2. b 

 Chaetura poliura CORY, Ibis, 1886, p. 473; Id., Cat. West Indian Birds, 1892, 



p. 1 06; HARTERT, Cat. Bds. Brit. Mus., XVI, 1892, p. 484. 

 Chaetura brachyura CORY, Auk, 1888, p. 158; Id., Bds. West Indies, 1889, p. 294; 



HELLMAYR, Nov. Zool., XIII, 1906, p. 37; RIDGWAY, Bull. U. S. Nat. Mus., 



No. 50, V, 1911, p. 728. 



Range: Islands of St. Vincent, Grenada, West Indies, and 

 Tobago, Trinidad, and Venezuela, Guiana, Brazil, east Peru and east 

 Ecuador. 



4: St. Vincent Island 3; "Brazil" i. 



Genus CYPSELOIDES Streubel. 



Cypseloides Streubel, Isis, 1848, p. 366 (Type Hemiprocne fumigata Streubel). 



Cypseloides rutilus ( Vieillot}. SHINING SWIFT. 



Hirundo rutila VIEILLOT, Nouv. Diet. d'Hist. Nat., XIV, 1817, p. 528 



(Guiana). 

 Cypseloides rutilus HARTERT, Cat. Bds. Brit. Mus., XVI, 1892, p. 493; RIDGWAY, 



Bull. U. S. Nat. Mus., No. 50, V, 1911, p. 711, in key. 



Range: Guiana and Trinidad. 



"Cypseloides brunneitorques brunneitorques (Lajresnaye). CHEST- 

 NUT-COLLARED SWIFT. 



Chaetura brunneitorques LAFRESNAYE, Rev. Zool., 1844, p. 81 (Colombia). 

 Cypseloides brunneitorques HARTERT, Cat. Bds. Brit. Mus., XVI, 1892, p. 493. 



Chaetura egregia TODD: "Above, including wings and tail, glossy black, the 

 lower back, rump and shorter upper tail coverts pale gray in abrupt contrast ; longer 

 upper tail coverts darker gray; under parts plain grayish brown, the throat paler and 

 more grayish, the under tail coverts almost Chaetura drab. Wing, 120; tail, 40 mm." 

 (Todd, I.e.). 



b See Hellmayr, Bull. Brit. Orn. Club, XIX, 1907, p. 63. 



