OCR Text |
Show 181 pared closely, the two are found to possess no real affinities of structure. The same is true of its relation to Nauclerus riocouri, usually placed in the same genus j the latter being very much more intimately related to the genera Ictinia, Elanus, and their affiues, as shown on page 147. ELANOIDES FORFICATUS. Falcoforfioatue LINN. S. N. i, 1758, 89. Nauclerus forficatu* RIDGW. Pr. Phil. Ac. Dec. 1870, 144; Pr. Boston Soc. N. H. May, 1873, 52: Am. Nat. vii, April, 1873, p -; B. B. & R. Hist. N. Am. B. ill, 1874, 192. Falco furcatua LINN. S. N. i, 1766, 129.- GM. S. N. i, 1788,262.- LATHAM, Ind. Orir. i, 1790, 22.- SHAW & NODD. Nat. Misc. 1795, pi. 204.- DAUD. Tr. ii, 1800, 152.- SHAW, Zool. vii, 1H12, 107.- WILS. Am. Orn. vit 1812, 70, pi. 51, figs. 1, 3.- BONAP. Ann. N. Y. Lvc ii, 1828, 31; Isis, 1832, 1138.- AUD. B. Am. 1831, pi. 72 ; Orn. Biog. i, 1831, 368; v, 371.- SCHL. U. susem. Vog. Eur. 1839, taf. 32, f. 1. Mihus furcatua VIEILL. O. Am. 8. 1807, pi. x. Elanoides furcatua VIEILL. Enc. M6th. iii, 1823,1205.- GRAY, List. Ace. B. M. 1844, 44. - STRICKL. Orn. Syn. i, 1855, 141.- SCL. & SALV. Ibis, 1859, 220; Nom. Neotr. 1873, 121.- OWEN, Ibis, 1860, 240.- SCHL. MUS. P.- B. Milvi, 1862, 5.- SHARPE, Cat. Ace. B. M. 1874, 317. Elanus furcatua VIG. Zool. Journ. i, 1824,340.- STEPH. Zool. xiii, 1826,49, pl. ii.- Cuv. Reg. An. ed. 2, i, 18* 29, 334.- JAMES, ed. Wils. Am. Orn. i, 1831, 75.- JARD. ed. Wils. ii, 1& 32, 275.- NUTT. Man. 1833, 94. Xauclerus furcatua VIG. Zool. Jonrn. ii, 1825, 387 ; Isis, 1830, 1043.- LESS. Man. i, 1828,101 ; Traits, 1831, 73.- SWAINS. Classif. i, 1837, 312; ii, 210.- GOULD, B. Eur. 1837, pi. xxx.- BONAP. Comp. LiBt, 1838,4; Cat. Ucc. Eur. 1842,20; Consp. i, 1850, 21.- AUD. B. Am. fol. 1839, pi. 72; oct. ed. 1839, i, 78, pi. 18; synop. 1839, 14.- R. SCHOMB. Reis. Br. Guian. 1840, 735.- DE KAY, Zool. N. Y. ii. 1844, 12, pi. vii, f. 15.- GRAY, Gen. i, 1845, 25, pi. 9, flg. 9; Gen. & Subgen. B. M. 1855, 6; Hand List, i, 1869, 27.- HARTL. Ind. Azara, 1847, 57.- KAUP, Contr. Orn. 1850, 57.- BREWER, ed. Wils. Synop. 1852, 685; N. Am. Oology, i, 1857, 38.- WOODH. Expl. Zufii, 1853, 60.- BURM. Th. Brae, ii, 1856,110.- CASS. B. N. Am. 1858, 36.- BAIRD, Cat. N. Am. B. 1859, No. 34.- TAYLOR, Ibis, iv, 1862, 128.- DRESSER, Ibis, 1865,325.- COUES, Pr. Phil. Acad. 1866, p. -; Key N. Am. B. 1872, 211; Check List N. Am. B. 1873, 67; Birds Northwest, 1874, 332.- LEOT. Ois. Trinid. 1866, 30.- GUNDL. J. f. O. 1871, 370.- NEWT. ed. Yarr. Br. B. 1871, 103.- PELZ. Orn. Bras. 1871, 6, 398. Elanoidea yetapa VIEILL. Enc. Me* th. iii, 1823,1205. Falco yetapa MAX. Beitr. iii, Abth. i, 1830, 141. Actipiter cauda furcata CATESBY, N. H. Carol, i, 1754, pi. iv. Aodpiter milvus carolinensis BRISS. Orn. i, 1760, 418. The Swallow- tailed Hawk CATESBY, Carol, i, 1731, 4, pi. 4. Le Milan de la Caroline BRISS. Orn. i, 1760, 418. ^ callow- tailed Falcon LATHAM, Synop. i, 1781, 60.- PENNANT, Arc. Zool. ii, 1785, 210, No. 108, pi. x. • Hob.- The whole of tropical and subtropical America, south to Paraguay, Bueuos Ayres, and Chile, north in the interior districts of the United States to Minnesota and Wisconsin, and in the Atlantic States to Pennsylvania. Accidental in the British islands ( NAT. MUS.!) J Minnesota, 30 miles north of Mille Lac, lat. 47° ( TEIPPE, Pr. Essex lnst., vi, 1871,113). Wing, 15.40- 17.70; tail, 12.50- 14.50; culmen, 0.70- 0.80; tarsus, 1.00 7I. 3O; middle toe, 1.00- 1.20. Head, neck, entire lower parts ( including lining of the wing and basal half of the secondaries underneath), and band across the rump pure white. Back, wings, and tail plain polished blackish, with varyiug reflections; tertials white, with blackish tips. Adult:- The white of the head and neck immaculate; back scapulars and lesser wiugcoverts with a soft reflection of dark purplish bronze, the other black portions with a glaucous or chalky cast,' with a green reflection in certain lights. Young:- Feathers of the head aud neck vith dusky shaft- streaks; the black above less glossy, more brownish, the bottle- green reflection replacing the soft purplish bronze on the |