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Show 151 . GAMPSONYX 8WA1NSOXI. Gampsonyz swainsoni Vio. Zool. Journ. ii, 1825, 69 ; Isis, 1850,840.- STEPII. Zool. xiii 18^ 6.- LESS. Man. i, lettd, pt 2,36.- SWAINS. Classif. B. 1,1837,301; ii, 210.- GRAY, Gen. 1st ed. 4; 2ded. 5; fol. i, 1845,26, pi. 9, fig. 4; List B. Brit. Mas. 1844,46; Gen. & Subgen. 1855,6; Hand List, i, 1869,28.- CABAN. Schomb. Reis. Br. Guian. iii, 1848,735.- BONA P. Consp. i, 1850,21.- STRICKL. Orn. Syn. i, 1855, 137.- BURM. Th. Bras, ii, 1856, 114.- LKOT. Ois. Trinidad, 1866, 41.- SCL. & 8ALV. P. Z. S. 1869, 252 ( Maruria, Venez.).- FINSGH, P. Z. S. 1870, p. - ( Trinidad).- PELZ. Orn. Bras. 1871, 6, 398.- SCL. & SALV. Norn. Neotr. 1873, 121.- SHARPE Cat. Ace. B. M. 1874, 340. Elanus ( Gampsonyoc) swainsoni RIDOWAY, Pr. Boston Soc. N. H., 1873,54. Elanus sicainsoni KAUP, Contr. Orn. 1850,59.- SCHL. MUS. P.- B. Milvi, 1862,9. Xertus rufifrons BoiE, Isis, 1828, 314. Falco rvfifrons MAX. Beitr. Orn. Bras, iii, 1830,123. Chondrohierax rvfifrona LESS, ( teste SHARPE). Elanus torquatus LES8. Tr. 1831, 7;!.- PuCHER. R. Z. 1850, 14. Wing, 5.50- 6.30; tail, 3.50- 4.30 ; culmen, 0.45- 0.50; tarsus, 0.85- 0.95; middle toe, 0.75- 0.80. Adult:- Forehead and auriculars straw- yellow; lower parts white, with a yellowish wash, most pronounced on the sides where there is frequently a tinge of rufous; tibiae, axillars, and lining of the wing ochraceous. A patch covering the crown and occiput, and surrounding the eyes, a spot on each side of the breast, with the entire upper parts brownish- black or dusky- plumbeous; nuchal collar, sides, aud flanks chestnut- rufous, the former with a white one above it, below the dusky of the occiput. Young:- Similar, but nuchal collar entirely white, and feathers of the upper parts usually with rusty borders. List of specimens in United States Xational Museum. C& talogne-namber. 13664 Condition of specimen. M. Sex and age. - a d - Locality. Xew Granada ( Savanilla) From whom received. Other specimens examined.- In mus. Phi lad. Acad., 4; Boston Soc., 3; Mus. Comp. Zool., 2 ; 6. N. Lawrence, 1; total, 11. vertical; cere very narrow and compressed on top. Tarsus considerably longer than middle toe; web between outer and middle toes iust appreciable. Tarsus and toes covered uniformly with rough or granular scales oi hexagonal or nearly square form; ooly the terminal joint of the toes with transverse scuteflse; claws rounded beneath. Wing very long, swallow- like, the first primary much the longest, and none sinuated OD either web. Tail tern- like, nearly equal to wing, forked to about one- half its length, the outer feathers much attenuated. Colors, ashy above, white beneath. |
