688 BULLETIN 50, UNITED STATES NATIONAL MUSEUM 



Voy. Beagle, pt. 3, 1841, 28 (Port Desire, Patagonia, lat. 47° 44' S.; descr. 

 eggs). — Fraser, Proc. Zool. Soc. London, 1843, 109 (Chile; habits). — 

 TscHUDi, Fauna Peruana, Aves, 1844, 408; Wiegmann's Archiv., x, pt. 1, 

 1844, 266 (Peru) .— Kaxjp, Isis, 1847, 62 (monogr.), 364, 376, 377; Jardine's 

 Contr. Orn., 1850, 54.— Strickland, Orn. Syn., i, 1855, 88. — Bur- 

 MEisTER, Syst. Ueb. Th. Bras., ii, 1856, 96; Journ. fur Orn., viii, 1860, 242 

 (Rio Cuarto, Argentina); Reis. La Plata Stat., ii, 1861, 437. — Schlegel, 

 Mus. Pays-Bas, ii, No. 2, livr. 1, 1862, 20 (monogr.); No. 36, livr. 10, 1873, 38. 



Falco {Aesalon) femoralis Kaup, Mus. Senckenb., iii. Heft 3, 1845, 258 (South 

 America) . 



Falco (Rhynchofalco) jemoralis Ridgway, Proc. Boston Soc. Nat. Hist., xvi, 

 1873, 46 (Brazil) . 



Bidens femoralis Spix, Av. Bras., i, 1824, pi. 8. 



Hypotriorchis femoralis Gray, Gen. Birds, i, 1844, 20; List Spec. Brit. Mus., 

 pt. 1, Accip., ed. 2, 1848, 56, part (South America; e. Patagonia); Hand-list, 

 i, 1869, 21, No. 194, part. — Cabanis, in Schomburgk's Reis. Brit. Guiana, 

 iii, 1848, 724. — Cassin, Rep. U. S. Naval Astron. Exped. (Gilliss), ii, 

 1855, 177 (Chile). — Leotaud, Ois. Trinidad, 1866, 24. — Sclater, Proc. Zool. 

 Soc. London, 1867, 330, 338 (Chile).— Sclater and Salvin, Proc. Zool. Soc. 

 London, 1867, 590 (Mexiana Island, Brazil), 988 (Arequipa, Peru); 1868, 

 143 (Conchitas, Argentina), 570 (w. Peru); 1869, 155 (Tinta, Peru), 252 

 (Lake Valencia, Venezuela); 1879, 638 (Moxos and Chiquitos and environs 

 of Chuquisaca, Bolivia); Norn. Av. Neotr., 1873, 121, part.— Pelzeln, 

 Orn. Bras., Abth. 1, 1868, 5.— Lee, Ibis, 1873, 13 (Fraile Muerto, Argentina), 

 135 (Entre Rios, Argentina).— Durnford, Ibis, 1877, 187 (Buenos Aires, 

 Argentina); 1878, 398 (centr. Patagonia; descr. nest and eggs). — Gibson, 

 Ibis, 1879, 412 (Cape San Antonio, Argentina). — Salvin, Ibis, 1880, 362 

 (Sal'ta, Argentina); 1886, 76 (Roraima, Brit. Guiana, 3,500 feet).— White, 

 Proc. Zool. Soc. London, 1883, 41 (C6rdoba, Argentina).— Taczanowski, 

 Orn. P6rou, i, 1884, 151.— Berlepsch, Ibis, 1894, 437 (Angostura, Vene- 

 zuela). — Withington, Ibis, 1888, 470 (Lomas de Zamora, Argentina). 



Aesalon femoralis Bonaparte, Rev. Mag. Zool., vi, 1854, 535.— Taczanowski, 

 Proc. Zool. Soc. London, 1874, 550 (Maraynioc, Peru). 



Rhynchofalco ftisco-caerulescens femoralis Swann, Synop. Accip., pt. 4, 1922, 211 

 (Venezuela, n. to Central America?, s. to Matto Grosso, Brazil). 



Falco cyanescens Vieillot, Encycl. M6th., iii, 1823, 1234 (Paraguay; based on 

 Aloncillo aplomado Azara, Apunt. Parag., i, 1802, 75; see Hartlaub, Index 

 Azara, 1847, 3). 



Falco fusco-coerulescens Vieillot, Nouv. Diet. d'Hist. Nat., xi, 1817, 90 (Para- 

 guay; based on Aloncillo oscuro azueljo Azara, Apunt. Parag., i, 1802, 179). — 

 Koenigswald, Journ. fiir Orn., xliv, 1896, 385 (Sao Paulo, s. Brazil) — 

 Penard and Penard, Vog. Guyana, i, 1908, 432 (Surinam).— Holmberg, 

 Secundo Censo Argent., 1898, 508.— Giacomelli, El Hornero, iii, 1923, 78 

 (La Rioja, Argentina). 



Falco fusco-caerulescens Sharpe, Cat. Birds Brit. Mus., i, 1874, 400, part (e. 

 Patagonia; Chachuapata and Arequipa, Peru; Mexiana Island, Brazil).— 

 (?) Zeled6n, Anal. Mus. Nac. Costa Rica, i, 1887, 125 (Costa Rica).— 

 Frenzel, Journ. fiir Orn., xxxix, 1891, 114 (C6rdoba, Argentina).— Allen, 

 Bull. Amer. Mus. Nat. Hist., v, 1893, 147 (Chapada, Matto Grosso, sw. 

 BrazU).— Holland, Ibis, 1893, 488 (Santa Elena, Argentina; habits;.— 

 Chapman, Bull. Amer. Mus. Nat. Hist., vi, 1894, 71 (Trinidad; habits); 

 xxxvi, 1917, 250 (Cali, Colombia).— Salvadori, Boll. Mus. Zool., Torino, 

 xii, 1897, 30 (Caiza and Talea, Argentina) .—Lane, Ibis, 1897, 180 (Sacayu, 



1 



