38 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



fur Orn., 1908, 537 (Arumethua, Tocantins, Brazil).— Habtekt and Ihering, 

 Novit. Zool., xvi, 1909, 231 (Barracas al Sud, Argentina; descr. nest and 

 eggs).— Reiser, Denkw. Mat. Nat. Kaiserl. Ak. Wiss. Wien, 1910, 58 (Car- 

 nahyba, n. e. Brazil).— Dabbene, Orn. Argent., 1910, 271 (Chilecito, La 

 Rioja; Oatemarca, Cordoba; Tucuman; Chaco; Barracas al Sur, Buenos 

 Aires).— Chubb, Ibis, 1910, 271 (Sapucay, Paraguay). 



[Coccyzus] melanocoryphus Gray, Hand-list, ii, 1870, 210, no. 8916.— Sclater and 

 Salvin, Norn. Av. Neotr., 1873, 108.— Sharpb, Hand-list, ii, 1900, 163. 



C[occyzus] melanocoryphus Forbes and Robinson, Bull. Liverpool Mus., i, no. 2, 

 1898, 40 (Brazil).— Rothschild and Hartert, Novit. Zool., vi, 1899, 202 

 (Galapagos). 



C[oceygus\ melanocoryphus Cabanis and Heine, Mus. Hera., iv, Hefti, 1863, 77 

 (Brazil; Paraguay; Montevideo, Uruguay; La Plata). — Baird, Brewer, 

 and Ridgway, Hist. N. Am. Birds, ii, 1874, 476. 



Coccygus melanocoryphus Schlegel, Mus. Pays-Bas, i, no. 25 (Cuculi), 1864, 38 

 ("Haiti" error!).— Pelzeln, Orn. Bras., iii Abth., 1870, 273.— Cabanis, 

 Journ. fur Orn., 1878, 198 (Argentina). — Frenzel, Journ. fur Orn., 1891, 

 116 (Cordova, Argentina). 



[Coccygus] melanocoryphus Pelzeln, Orn. Bras., iv, Abth., 1871, 450. 



[Coccygori] melanocoryphus Heine and Reichenow, Nom. Mus. Hein. Orn., 1890, 

 202 (Novo Friborgo, Brazil). 



Coccyges melanocoryphus Beebe, Zoologica, i, 1909, 87 (La Brea, n. e. Venezuela). 



Piaya melanorhynchus Lesson, Traits d'Orn., 1831, 141 (ex Cuculus melanor- 

 hynchus Cuvier, manuscript). 



Coccyzus minor (not Cuculus minor Gmelin) Hartlaub, Index Azara Apunt., 

 1847, 19 (see Pucheran, Rev. et Mag. de Zool., 1852, 476; crit.).— White, 

 Proc. Zool. Soc. Lond., 1882, 619 (Salta, Argentina; descr. nest and eggs). 



(?) Coccyzus ainereus (not of Vieillot) Bonaparte, Consp. Av., i, 1850, 112. 



Coccygus seniculus (not Cuculus seniculus Latham) Burmeister, Syst. TJeb. Th. 

 Bras., ii, 1856, 267; Journ. fur Om., 1860, 244 (Parana and Tucuman, Argen- 

 tina); Reis. La Plata, ii, 1861, 444. — Sternberg, Journ. fur Orn., 1869, 193 

 (Buenos Aires, Argentina; habits; descr. eggs). 



COCCYZUS ERYTHROPTHALMUS (Wilson). 



BLACK-BILLED CUCKOO. 



Adults (sexes alike). — Above plain olivaceous hair brown to broccoli 

 brown, glossed with bronze, passing into a more grayish hue on fore- 

 head, the proximal primaries and distal secondaries sometimes 

 slightly more rufescent basally; rectrices (except middle pair) rather 

 broadly tipped with dull white and crossed by a broad subterminal 

 bar of dusky; loral region brownish gray, like forehead; auricular 

 region grayish brown, like hindneck, etc.; malar region, lower portion 

 of suborbital region, chin, throat, and upper chest varying from pale 

 buffy grayish to pale grayish buff; rest of under parts plain dull white, 

 the under tail-coverts more buffy or brownish white; under wing- 

 coverts pale buff; inner webs of remiges passing into buff on edges, 

 except distally; maxilla black; mandible pale grayish blue (in life), 

 dusky terminally; iris deep brown; naked orbital space bright red (in 

 life); legs and feet pale bluish gray or grayish blue (in life). 



