420 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Type locality. — Peru, 



Circaetus soUtarius Tschudi, in Wiegmann's Archiv. fiir Naturg., x, pt. 1, 1844, 

 264 (Peru); Fauna Peruana, Aves, 1844, 94, pi. 2. 



Urubitornis soUtarius Bonaparte, Rev. Mag. Zool., vi, 1854, 537. — Zeled6n, 

 Anal. Mus. Nac. Costa Rica, i, 1887, 126 (Costa Rica). — Heine and Reiche- 

 Now, Nora. INIus. Hein. Orn., 1890, 267 (Caracas, Venezuela). — Kothb, 

 Orn. Monatsb., xx, 1912, 4 (meas.; crit.). — Swann, Synop. Accip., ed. 2, 

 1922, 103 (Chile; Peru; Ecuador; Colombia); Monogr. Birds Prey, i, 1930, 

 477 (monogr.). — Todd and Carriker, Ann. Carnegie Mus., xiv, 1922, 155 

 (Agua Dulce, Santa Marta, Colombia; crit.; descr.; meas.). — Griscom, 

 Bull. Amer. Mus. Nat. Hist., Ixiv, 1932, 158 (San Ger6nimo, Guate- 

 mala). — Hellmayr, Birds Chile, 1932, 279 (no authentic record for Chile). 



Urubitornis solitaria Verreaux, Proc. Zool. Soc. London, 1856, 145 (Santa Marta, 

 Colombia; Rio Urumore, Moxos, Bolivia; descr.; crit.). — Salvin, Proc. 

 Zool. Soc. London, 1870, 214 (Calobre, Veraguas, Panama). — Sclater and 

 Salvin, Nom. Av. Neotr., 1873, 119 (Peru; Colombia; Veraguas). — Peters, 

 Check-list Birds of World, i, 1931, 246.— Griscom, Bull. Mus. Comp. Zool., 

 Ixxviii, 1935, 300 (1 record for Veraguas; Mexico to Chile; rare). — Lehmann, 

 Caldasia, ii. No. 7, 1943, 187 (spec; Munchique, Tambo, Cauca, Colombia; 

 plum.; photo). 



Harpyhaliaetus soUtarius Gurnet, Ibis, 1876, 490, in text (Chile; Peru; Antioquia, 

 Colombia; Veraguas; San Ger6nimo, Guatemala; s. Mexico?; crit., descr., 

 etc.); List Diurn. Birds Prey, 1884, 77 (crit.); Cat. Birds Prey, 1894, 25.— 

 Salvin and Godman, Biol. Centr.-Amer., Aves, iii, 1900, 87 (Tehuantepec, 

 Oaxaca; San Ger6nimo, Guatemala; Calobre, Veraguas; Colombia; Venezuela; 

 Ecuador; Peru; Chile). — Brabourne and Chubb, Birds South Amer., i, 

 1912, 70 (Chile; Peru; Ecuador; Colombia). — Chapman, Bull. Amer. Mus. 

 Nat. Hist., Iv, 1926, 235 (Sabanilla, Ecuador; Santo Domingo, se. Peru), 



HarpyhaUaetus coronatus soUtarius Swann, Synopt. List Accip., pt. 1, 1919, 61, 



Circaetus coronatus Gray, Hand-list, i, 1869, 14, part (Peru). 



HarpyhaUaHus coronatus (not Harpyia coronata Vieillot, 1817) Sharpe, Cat. 

 Birds Brit. Mus., i, 1874, 221, part (Chile); Hand-list, i, 1899, 259, part.- 

 Taczanowski, Orn. P^rou, i, 1884, 129. — Taczanowski and Berlepsch, 

 Proc. Zool. Soc. London, 1885, 110 (Rio Topo, Ecuador). — Berlepsch and 

 Stolzmann, Proc. Zool. Soc. London, 1902, 59 (Chanchamayo and Amable 

 Marfa, Peru). 



Geranoctus melanoleucus (errore) Allen, Bull. Amer. Mus. Nat, Hist,, xiii, 1900, 

 130 (Agua Dulce, Santa Marta, Colombia). 



URUBITORNIS SOLITARIA SHEFFLERI ran Rossem 



Northern Solitary Eagle 



Adult. — Similar to that of the corresponding sex of the nominate 

 race, but larger, not only in linear measurements, but also in the 

 greater bulk of the tarsi and toes; the anterior upperparts of the body- 

 slightly darker, blackish slate instead of slate-gray; outer primaries 

 finely mottled or variegated with grayish, instead of barred, on their 

 basal portions; rectrices with a second subbasal white band about 

 10-12 mm. wide across both webs of the outermost pair, and becom- 

 ing discontinuous and less distinct on the next three inner pairs; 



