1919- Catalogue of Birds of the Americas — Cory. 409 



Range: Central Brazil, westward to Bolivia, Peru, Ecuador and 

 southeastern Colombia. 



3: Peru (Lower Huallaga R., 2, Ytirimaguas i). 



Genus CHELIDOPTERA Gould. 



Chelidoptera Gould, Proc. Zool. Soc. Lond., 1836, p. 81 (Type Cuculus tenebrosus 

 Pallas). 



♦Chelidoptera tenebrosa tenebrosa (Pallas). Swallow- wing. 



Cuculus tenebrosus Pallas, Neue Nord. Bejrtr., Ill, 1782, p. 3 (Surinam). 



lionasa tenebrosa Vieillot, Nouv. Diet. d'Hist. Nat., XXI, 1818, p. 321. 



Monasa tenebrio Temminck, PI. Col. 1825, pi. 323, fig. i. 



Lypornix tenebrosa Wagler, Syst. Av., 1827, Lypornix, sp. 7. 



Chelidoptera albipemmis Bonaparte, Journ. fur Ornith., I, 1853, p. 47. 



Chelidoptera tenebrosa Gould, Proc. Zool. Soc. Lond., 1836, p. 81 ; Sclater, Men. 

 Jacamars and Puff-birds, 1882, p. 161, pi. 55, fig. i (Merida, Venezuela; Brit- 

 ish Guiana; Surinam; Cayenne; Yquitos, Yurimaguas and Xeberos, Peru; 

 Rio Negro, Brazil); Id., Cat. Bds. Brit. Mus., XIX, 1891, p. 207 (Pari and 

 Matto Grosso, Brazil, etc., etc.); Berlepsch and Hartert, Nov. Zool., IX, 

 1902, p. 103 (Altagracia; Ciudad Bolivar, etc.; Orinoco region, Venezuela); 

 Snethlage, Bol. Mus. Goeldi, VIII, 1914, p. 242 (Pard to Rio Pur6s, many 

 localities); Chubb, Bds. British Guiana, I, 1916, p. 478. 



Chelidoptera tenebrosa tenebrosa Hellmayr, Nov. Zool., XIII, 1906, p. 381 (Prata 

 Dist. Pa.TA);Id., XIV, 1907, p. 401 (Humaytha, Rio Madeira); /d., XV, 1908, 

 p. 86 (Goyaz); Id., XVII, 1910, p. 395 (Rio Madeira); Cherrie, Mus. Brook- 

 lyn Inst. Arts & Sci., Sci. Bull., Vol. 2, No. 6, 1916, p. 322 (Breeding habits, 

 etc., Munduapo, R. Orinoco, Venezuela); Bangs and Penard, Bull. Mus. 

 Comp. Zool., LXII, 1918, p. 55 (Paramaribo; Javaweg, etc., Surinam). 



Range: The Guianas, Venezuela, southeastern Colombia, eastern 

 Peru, and central and northern Brazil east to Pard. 



ti9: British Guiana (Potaro i, Mazaruni R., 2); Surinam (Para- 

 maribo) 2; Peru (Rioja 5, Yurimaguas 3, Moyobamba 4); Brazil (Boa 

 Vista, Rio Branco) 2. 



*Chelidoptera tenebrosa pallida* Cory. Banded Swallow-wing. 



Chelidoptera tenebrosa pallida CORY, Field Mus. Nat. Hist., Orn. Ser., I, 1913, p. 

 288 (Empelado Savanna, 30 miles east of Maracaibo, northwestern coast of 

 Venezuela). 

 Range: Coast region of northwestern Venezuela. 

 4: Venezuela (Empelado Savanna, 30 miles east of Maracaibo, 

 northwestern coast). 



» Chelidoptera tenebrosa pallida Cory: Similar to C. tenebrosa tenebrosa, but the 

 chestnut abdomen paler. Black of the breast shading into slaty gray on lower part 

 and separated from the rufous chestnut of the abdomen by a well defined band of 

 white; cubital edge of wing tinged with rufous chestnut. Wing, 1 12; tail, 58; culmen, 

 16. 



