457 



of the lower part of the abdomen and flanks quite continuous. There 

 is never, however, in South American specimens, an approach to the 

 peculiar characters P. cheriicay, as defined. 



List of specimens in United States National Musetim, 



Locality. 



Toung.. 



Adult... 



Adult... 

 Adult... 

 cf adult 



South America. 



do 



do 



Patagouia 



Chili: 



South America . 



Chili 



do 



Paraguay 



When col- 

 lected. 



Prom ^yhom received. 



Exploring expedition 



do 



do 



do 



Lieutenant Gilliss 



do 



K"ational Museum, Chili. 



do 



Captain Page 



o a 

 t 3 



*S. 

 S. 



s. 

 s. 

 s. 

 s. 



tM. 



s. 

 s. 



*S — Unmounted skiu. tM — Mounted skin. 



Otlier specimens examined. 



Mtis. Boston Soc. Nat. Hist., 4 ; Mus. Philad. Acad. Nat. Sci., 3; Am. Mus. N. Y., 3— 

 total, 19. 



POLYBOEUS CHERIWAY. 



NORTHERN CARACARA. 



Falco clieriwaii Jacq. Beitr. 1734, 17, tab. 4.— Gm. S. N. 1788, 254, No. 40 (Juv.). 



PoJyhnrits cheriwaij Caban. in Scbomb. Eeise Guiana, iii, 1848, 741. — Brewer, Pr. 



Boston Soc. vii, 1860, 305 (Cuba).— Sharpe, Cat. Ace. Br. Mus. 1874, 33. — 



GURNEY, Ibis, Jan. 1875, 95 (Brazil). 

 Folydorus Imslliensis Audub. B. Am. fol. 1831, pi. 161 ; octav. ed. i, 1839, 21, pi. 4 (nee 



ViG. 1824 ex Gm. 1788).— Brewer, Pr. Boston Soc. vii, 1860, 305 (Cuba).— 



Taylor, Ibis, vi, 1864, 79 (Trinidad).— Allen, Bull. Mus. Comp. Zool. ii, 1871, 



337 (Florida). 

 Folyhorus vulgaris Aud. Orn. Biog. ii, 1834, 350 (uec Spix, 1824).— Brewer, Pr. Boston 



Soc. vii, 1860, 305 (Cuba). 

 Folyhorus tharns Cass. B. Cal. Tex. &c. 1854, 113 (nee Strickl. 1855 ex MoL. 1782) ; 



B. N. Am. 1858, 45.— Brewer, N. Am. Ool. i, 1857, 58, pi. xi, figs. 18, 19 ; Pr. 



Boston Soc. vii, 1860, 305 (Cuba).— Heermann, Pacif. E. E. Eep. vii, 1857, 



31._Sclater, p. Z. S. 1857, 210 (Orizaba).— Owen, Ibis, iii, 1861, 67.— GuR- 



ney. Cat. Eapt. Norw. Mus. 1864, 17 (part).— Dresser, Ibis, 1865, 329 (Texas). 



— CouES, Pr. A. N. S. Philad. 1866,— (Arizona).— Sol. & Salv. P. Z. S. 1870, 



838 (coast of Honduras). • 



Folyhorus auduhoni Cass. Pr. A. N. S. 1865, 2 (Texas and Mexico).— Lawr. Ann. N. Y. 



Lye. ix, 1868, 132 (Costa Eica).— Cooper, Orn. Cal. i, 1870, 492.— Eidgw. Pr. 



A. N. S. Philad. Dec. 1870, 145.— Oundl. J. fiir Orn. 1871, 357.— Orton, Am. 



Nat. V, 1871, 624 (Quito Valley).— Grayson, Pr. Boston Soc. 1871, 9 (Tres 



Marias).— ScL. & Salv. Nom. Neotr. 1873, 123. 

 Folyhorus tharus var. auduhoni Coues, Key, 1872, 220. — Eidgw. Pr. Boston Soc, 



1873, 11 ; in B. B. & E. Hist. N. Am. B. iii, 1874, 178.— Lawr. Mem. Best. Soc. ii. 



1874, — (biography). 



Hal). — Middle America and adjoining portions of North and South 

 America, from sontheru border of United States to Ecuador aud Guiana. 

 Louisiana, Texas, and Lower California, I^at. Mus. — Florida, Audubqn 

 et AucT. — Puna Island, Guayaquil, Ecuador, Nat. Mus. — Venezuela 

 (Valencia) and British Guiana, Sharpe, 1. c— Brazil, Gurney, 1. c. 



