142 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Argentina (Cérdova; Tucumén; Tala; Santa Ana; Oran, Salta; 
Barracas al Sud; Rio Pilcomayo; Bella Vista; Punta Lara; Mendoza), 
Paraguéy (Monte Alto; upper Rio Paran4; Rio Pilecomayo), Uru- 
guéy (Montevidéo; Concepcién; Rio Negro), Bolivia (Reyes; Falls of 
Rio Madeira; Caiza), and Peru (Rio Ucayali; Santa Cruz; Cosnipata; 
La Mercéd; Cashibaya; Tarapoto; Pebas; Yquitos). 
Charadrius collaris Viz1tLor, Nouv. Dict. Hist. Nat., xxvii, 1818, 136 (Paraguay; 
Enc. Méth., ii, 1823, 334 —Licnrensret, Verz. Saug. und Végel Mus. Berlin, 
based on Imbatuitui collar negro Azara, Apunt. Parag., iii, 1803, 291); Tabl. 
1818, 33 (based on “Ch. hiaticula var. 8. Gmel. Lath;” spec. from Brazil in 
Berlin Mus.)..—Hartuaus, Index Azara’s Apunt., 1847, 24.—Scuiecet, Mus. 
Pays-Bas, iv, no. 29 (Cursores), 1865, 37 —SzzBoum, Geog. Distr. Chara- 
driidee, 1887. pp. xviii, 173, fig. of head.—Frenzet, Journ. ftir Orn., 1891, 126 
(Cordova, Argentina). 
C{haradrius] collaris Gray, Gen. Birds, iii, 1847, 547, 
[Charadrius] collaris Gray, Hand-list, iii, 1871, 16, no. 10017. 
4Migialitis collaris Sctarer and Satvin, Proc. Zool. Soc. Lond., 1866, 199 (upper 
and lower Rio Ucayali, e. Peru; descr. egg); 1873, 309 (upper and lower Rio 
Ucayali and Santa Cruz, e. Peru; habits; descr. eggs).—Hartina, Proc. Zool. 
Soc. Lond., 1874, 458, pl. 60, fig. 7 (egg). —Lawrencz, Bull. U. S. Nat. Mus., 
no. 4, 1876, 46 (Tehuantepec, Oaxaca, Oct., Nov.).—ALLEN, Bull. Essex 
Inst., viii, 1876, 83 (Arjos, lower Amazon); Bull. Am. Mus. N. H., ii, 1889, 
109 (Reyes and Falls of Rio Madeira, Bolivia); v, 1898, 149 (Corumba, 
Brazil)—Durnrorp, Ibis, 1878, 67 (Buenos Aires, Argentina).—Wurte, 
Proc. Zool. Soc. Lond., 1882, 628 (Buenos Aires)—Barrp, Brewer, and 
Rweway, Water Birds N. Am., i, 1884, 153.—Barrows, Auk, i, 1884, 313 
(Concepcion, Uruguay, March, Aug.).—Satvin, Ibis, 1886, 178 (Bartica Grove, 
Brit. Guiana).—Taczanowsk1, Orn. du Pérou, iii, 1886, 344.—Kerp, Ibis, 
1892, 150 (Rio Pilcomayo, Argentina; habits).—Ricumonp, Proc. U. 8. Nat. 
Mus., xvi, 1893, 526 (Rio Frio, Costa Rica).—Aptin, Ibis, 1894, 206 (Rio 
Negro, Uruguay; habits).—Roxrnson, Proc. U. 8. Nat. Mus., xviii, 1896, 657 
(Margarita Island, Venezuela).—Suarrz, Cat. Birds Brit. Mus., xxiv, 1896, 
288, 747 (Playa Vicente and La Antigua, Vera Cruz; Chiapam, Guatemala, 
Momotombo, Nicaragua; Santa Marta and Bogota, Colombia; Intac, Ecuador, 
Cosnipata, Peru; Laguna de Valencia, Venezuela; Brit. Guiana, etc.).— 
Hormpere, Segundo censo Argentina, i, 1898, 565.—Brruurscu and Srouz- 
MANN, Proc. Zool. Soc. Lond., 1902, (2), 51 (La Merced, Peru).—Sanvin and 
GopmaN, Biol. Centr.-Am., Aves, iii, 1903, 359 (Playa Vicente and La An- 
tigua, Vera Cruz; Tehuantepec, Oaxaca; Chiapam, Guatemala; Momotombo, 
Nicaragua; Rio Frio, Costa Rica; Panama; Grenada, Lesser Antilles).— 
Nicott, Ibis, 1904, 40 (Bahia, Brazil),—Carrixer, Ann. Carnegie Mus., vi, 
1910, 417 (Cuabre and Rio Sicsola, Costa Rica).—Grant (C. H. B.), This, 
1911, 465 (Monte Alta, etc., Paraguay, Aug., Sept.). 
[Aigialitis] collaris Schater and Satvin, Nom. Av. Neotr., 1873, 143.—SHarpPE, 
Hand-list, i, 1899, 155.—Forpus and Rosrnson, Bull. Liverp. Mus., ii, no. 2, 
1899, 67 (Cumann, Venezuela; upper Rio Ucayali and Cashibaya, Peru; 
Mexico). 
Ai{gialitis] collaris Ripaway, Man, N. Am. Birds, 1887, 179. 
Aigialites collaris ScuateR and Satvin, Proc. Zool. Soc. Lond., 1867, 591 (Mexiana 
Island and Rio Tocantins, Brazil); 1869, 252 (Laguna de Valencia, Venezuela) ; 
1873, 186 (Cosnipata, Peru).—Harrenrt, Ibis, 1893, 335 (Bonaire Island. 
Dutch West Indies; crit.). 
