220 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



A.[mmodramus\ niffrescenx Ridgway, Man. N. Am. Birds, 1887, 413. 

 Ammodromus melanoleucns Maynakd, Am. Sportsman, v, Jan. 16, 1875, 248 (Salt 

 Lake, Florida; coll. C. J. Maynard); Birds Florida, 1878, 119, pi. 10. 



AMMODRAMUS CAUDACUTUS CAUDACUTUS (Gmelin.) 

 SHAKP-TAILED SPAKROW. 



Adultn {sexes alih^. — Broad, sharpl.y defined, and conspicuous super- 

 ciliai^y stripe and broad malar stripe deep buff, the latter curving 

 upward behind the auriculars, but separated from the superciliary 

 stripe by a narrow- black or dark brown postocular stripe; auricular 

 region grayish; pileum clear bistre brown, streaked with black, 

 divided by a broad but not sharplj^ defined median stripe of grayish; 

 prevailing color of upper parts olivaceous, grayer on sides of hind- 

 neck and rump, the scapulars and interscapulars decidedly darker 

 olive-brown, sharply edged with pale grayish or buff}' whitish, pro- 

 ducing distinct streaks which are margined internall}' by a narrower 

 blackish streak; edge of wing pale yellow; under parts mostly white, 

 but the chest, sides, and flanks more or less tinged with buff (some- 

 times, especially the chest, distinctly buff), sharply and usualh' con- 

 spicuously streaked with dusky. 



Young. — Pileum blackish (sometimes streaked with light brownish), 

 divided by a narrow median stripe, or series of streaks, of dull buffy; 

 general color of upper parts light buffy brownish, the scapulars and 

 interscapulars broadly edged with buffy, producing conspicuous streaks; 

 under parts buffy, deepest on chest and sides, where more or less 

 streaked, narrowly, with dusky, the abdomen sometimes nearly white. 



AchtU wafe.— Length (skins), 127.00; wing, 65.37-59.18 (57.66); 

 tail, 44.45-50.55 (48.26); exposed culmen, 12.19-12.70 (12.44); depth 

 of bill at base, 5.33-6.84 (6.69); tarsus, 20.07-21.08 (20.57); middle toe, 

 15.49-16.51 (16.00).' 



Adult female.— l^Qug'Cii (skins), 116.84-129.54 (124.21); wing, 58.34- 

 58.17 (56.88); tail, 42.67-51.31 (46.99); exposed culmen, 11.94-12.70 

 (12.45); depth of bill at base, 5.33-6.84 (5.59); tarsus, 20.07-21.34 

 (20.57); middle toe, 15.75-17.27 (16.26).' 



Atlantic coast of United States, breeding from Massachusetts south- 

 ward. 



{Oriolui] caudacutus Gmelin, Syst. Nat., i, pt. i, 1788,394 (New York; based on 



Sharp-tailed Oriole Latham, Gen. Synop. Birds, i, pt. 2, 448). — Latham, 



IndexOrn.,], 1790, 186. 

 Fringilla caudacuta Wilson, Am. Orn., iv, 1811, 70, pi. 34, fig. 3. — Bonaparte, 



Ann. Lye. N. Y., ii, 1828, 110.— Audubon, Orn. Biog., ii, 1834,281; v,1839, 



499, pi. 149. 

 Passerina caudacuta Vieillot, Nouv. Diet. d'Hist. Nat., xxv, 1817, 25. 

 A.\mmodramus] caudocuta Swainson, Classif. Birds, ii, 1837, 289. 



^ Five specimens. '' Six specimens. 



