_Falco carolinensis_, GMEL. Syst. Nat. p. 263, 1789.—DAUD. Tr. Orn. II, 69, 1800. _Pandion carolinensis_, BONAP. List, pt. iii, 1838; Consp. Av. p. 16.—STRICKL. Orn. Syn. I, 64, 1855.—AUD. Birds Am. pl. lxxxi, 1831.—CASS. Birds Cal. & Tex. p. 112, 1854.—BREWER, Oölogy, 1857, p. 53, pl. iii, fig. 33, 34.—NEWB. P. R. R. Rept. VI, iv, 75, 1857.—HEERM. VII, 21, 1857.—DE KAY, Zoöl. N. Y. II, 8, pl. vi, fig. 18.—CASS. Birds N. Am. 1858, p. 44.—COOP. & SUCK. P. R. R. Rept. XII, ii, 153, 1860.—COUES, Prod. Orn. Ariz. 1866, p. 13.—GRAY, Hand List, I, 15, 1869.—MAX. Cab. Journ. VI, 1858, 11.—LORD, Pr. R. A. I. IV, 1864, 110 (Brit. Columb.; nesting).—FOWLER, Am. Nat. II, 1868, 192 (habits). _Falco cayennensis_, GMEL. Syst. Nat. p. 263, 1789.—DAUD. Tr. Orn. II, p. 69, 1800. _Falco americanus_, GMEL. Syst. Nat. p. 257.—LATH. Index Orn. p. 13, 1790; Syn. I, 35, 1781; Gen. Hist. I, 238, 1821.—DAUD. Tr. Orn. II, 50.—SHAW, Zoöl. VII, 88. _Aquila americana_, VIEILL. Ois. Am. Sept. I, pl. iv, 1807. _Pandion americanus_, VIEILL. Gal. Ois. pl. ii, 1825.—VIG. Zoöl. Journ. I, 336.—SWAINS. Classif. B. II, 207, 1837. _Aquila piscatrix_, VIEILL. Ois. Am. Sept. I, pl. iv, 1807. _Accipiter piscatorius_, CATESBY, Carolina, I, pl. ii, 1754. _A. falco piscator antillarum_, BRISS. Orn. I, 361, 1760. _A. falco piscator carolinensis_, BRISS. Orn. I, 362. _Pandion haliætus_, RICH. Faun. Bor. Am. II, 20, 1831.—JARD. (WILS.) Am. Orn. II, 103, 1832.—JAMES. (WILS.) Am. Orn. I, 38, 1831.—AUD. Orn. Biog. I, 415, 1831.—GRAY, List B. Brit. Mus. p. 22, 1844. _? Pandion fasciatus_, BREHM, Allgem. deutsch. Zeitung, II, 1856, 66 (St. Domingo).