236 BULLETIN 5 0, UNITED STATES NATIONAL MUSEUM 



aa. Black bands on upperparts, especially interscapulars and upper back, nar- 

 rower than interspaces ; interspaces gray, not buffy. 

 &. Upper tail coverts black crossed by exceedingly narrow white transverse 



lines Eurypyga helias major (p. 236) 



&&. White cross bars on upper tail coverts wider, half or more as wide as 

 black interspaces Eurypyga helias meridionalis (extralimital)" 



EURYPYGA HELIAS MAJOR Hartlanb 



Gbeateb Sun-bittern 



Adult (sexes alike). — Forehead, crown, occiput, lores, cheeks, and 

 auriculars sooty black with, in some lights, a very faint fuscous- 

 bronze sheen; a narrow line from just beliind the nostril extending 

 back over the eye and to the posterolateral angle of the occiput cin- 

 namon to tawny-olive in its anterior part and pure white speckled 

 with black from the anterior end of the eye backward; hind neck 

 anteriorly whitish closely vermiculated with sooty black, posteriorly 



(Cayenne) ; Pelzeln Orn. Bras., 1871, 300 (Goyabeira; Engenho do Pari; Villa 

 Maria; Caigera ; Engenho do Gama ; Matto Grosso; Villa de Manaos; Cajutuba; 

 Brazil) ; Berlepsch, Ibis, 1884, 440 (Angostura, Venezuela) ; Journ. ; fiir Orn., 

 1889, 320 (Yurimaguas, Bolivia) ; Salvin, Ibis, 1886, 177 (Bartica Grove and Ca- 

 macusa, British Guiana) ; Sharpe, Cat. Birds Brit. Mus., xxiii, 1894, 240 (Deme- 

 rara, Bartica Grove, and Camacusa, British Guiana ; Cayenne Engenho do Gama, 

 Brazil) ; Ihering, Rev. Mus. Paulista, iv, 1900, 289 (descr. eggs) ; Hellmayr, 

 Nov. Zoo!., XV, 1908, 100 (Rio Araguaya, Brazil) ; Ohubb. Birds British Guiana, i, 

 1916, 142 (habits) ; Cherrie, Brooklyn Inst. Sci. Bull. 2, 1916, 368 (Rio Orinoco, 

 Venezuela). — Eulrypyga] helias Stephens, Shaw's Gen. Zool., xiv, pt. i, 1826, 

 323 (Guiana) ; Bangs and Penard, Bull. Mus. Corap. Zool., Ixii, 1918, 42 (Para- 

 maribo, Surinam) ; Chubb, Ibis, 1919, 269 (San Ernesto, 1,000 m., and Charup- 

 laya, 1,300 m., Bolivia) ; Delacour, Ibis, 1923, 140 (Guarico and Apure, Venez- 

 uela; habits). — [Eurypyga] helias Sclater and Salvin, Nom. Av. Neotr., 1873, 

 141. — Elurypi/ga] helias Cabanis, in Schomburgk's Reis. Britisch Guiana, iii, 

 1848, 752. — [Euripyga] helias Bonaparte, Consp. Gen. Av., ii, 1857, 144. — Eurypiga 

 helias Ihering, Rev. Mus. Paulista, iv, 3904, 451 (Rio JuruS, Sao Paulo, Brazil).— 

 Scolopax Solaris Boddaert, Tabl. PI. Enl., 1783, 48 (based on La Cotirdl Daubeu- 

 ton, PI. Enl., ix, pi. 782) .—[Eurypyga] Solaris Gray, Hand-list, iii, 1871, 26, 

 No. 10096. — Helias phalenoidcs Vieillot, Nouv. Diet. Hist. Nat, v, 1816, 423 (new 

 name for Ardea helias Pallas) ; Lesson, Traits d'Orn., 1831, 570. — Eurypyga 

 phalenoides Goudot, Mag. Zool., 1843, pi. 38 (egg). — Eurypyga helias helias 

 Peters, Check-list Birds of World, ii, 1934, 216. 



^Eurypyga helias (not Ardea helias Pallas) Sclater and Salvin, Proc. ZooL 

 Soc. London, 1866, 199 (upper Rio Ucayali, e. Peru) ; 1867, 979 (Pebas, e. Peru) ; 

 1873, 308 (Rio Javari, Cashiboya, and Pebas, e. Peru) ; Taczanowski, Orn. P^rou, 

 iii, 1886, 388; Sharpe, Cat. Birds Brit. Mus., xxiii, 1894, 240, part (Pebas, e. 

 Peru). — Eurypyga major meridionalis Berlepsch and Stolzmann, Proc. Zool. Soc. 

 London, 1902 (publ. Oct.), 50 (La Merced, Chanchamayo, e. Peru; coll. Branicki 

 Mus.) ; Ornis, xiii, 1906, 125 (Huaynapato, e. Peru) ; Chapman, U. S. Nat. Mus. 

 Bull. 117, 1921, 51 (Rio Cosireni and Inca Mine, se. Peru). — Eurypyga meri- 

 dionalis Chubb, Ibis, 1919, 270 (Orayci, Rio Linimbare, centr. Peru, 1,000 m.). — 

 Eurypyga helias meridionalis Peters, Check-list Birds of World, ii, 1934, 215. 



