BIRDS OF NORTH AND MIDDLE AMERICA. 221 



Ammodromu.i caadacitiux Jakdine, ed. Wilson's Am. Orn., ii, 1832,70, pi. 35, 

 fig. 3.— Baied, Rep. Pacific R. E. Snrv., ix, 1858, 453; Cat. N. Am. Birds, 

 1859, no. 341. — ScLATER, Cat. Am. Birds, 1862, 116 (Pennsylvania). — Coues, 

 Proc. Ac. Nat. Sci. Phila., 1871, 22 (Fort Macon, N. C, habits, etc.); Check 

 List, 1873, no. 166, part. — Bated, Beewer, and Ridgway, Hist. N. Am. 

 Birds, i, 1874, 557, part, pi. 25, fig. 7.— Mbeeiaji, Review Birds Conn., 1877, 

 38 (summer resid.).—BEEwsTEE, Bull. Nutt. Orn. Club, iii, 1878, 119 (descr. 

 young) .—Mayxaed, Birds Floridaand E. N. Am. , 1881, 122, part.— Ridgway, 

 Norn. N. Am. Birds, 1881, no. 201, part.— Shaepe, Cat. Birds Brit. >Ius., 

 xii, 1888, 685, part (Oyster Bay, Long Island). 



A. [mmodro7n!(.s] omdacutus Geay, Gen. Birds, ii, 1849, 374. 



lAmmodromua} caudacutus Bonapaete, Consp. Av., i, 1850, 482. — Coues, Key 

 N. Am. Birds, 1872, 1.38, part. 



Ammodraynus caudaciiius Bonaparte, Geog. and Comp. List, 1838, 32. — Audubon, 

 Synop., 1839, 111.— Coues, Check List, 2d ed., 1882, no. 166.— Ameeican 

 Ornithologists' Union, Check List, 1886, no. 549. — Chapman, Auk, vi, 1889, 

 303 (Piermont, lower Hudson R., New York, breeding). — Scott, Auk, vi, 

 1889, 322 (Tarpon Springs and Anclote R., Florida, winter). — Stone, Auk, 

 X, 1893, 85 (coast New Jersey and shores of Delaware Bay, breeding; Atlantic 

 City in winter). — Dwight, Auk, xiii, 1896, 273, 275 (crit. ). — Nbhrling, Our 

 Native Birds, etc., ii, 1896, 91. 



lAmmodramiis^ caudacutus Geay, Hand-list, ii, 1870, 95, no. 7415. 



A.[ininodramiis^ caudacutus Coues, Key N. Am. Birds, 2d ed., 1884, 368. — Ridg- 

 way, Man. N. Am. Birds, 1887, 413. 



FringiUa Uttoralis Nuttall, Man. Orn. U. S. and Canada, i, 1832, 504 (New York 

 to Georgia; coll. Ac. Nat. Sci. Phila., no. 6442) ; 2d ed., i, 1840, 590. 



Ammodramus caudacutus nelsoni (not Ammodroriius caudacutus, var. nelsoni 

 Allen) Nelson ( — ), Cat. Vertebrates New Jersey, — , 541 (see Stone, Auk, 

 xi, 1893, 85). 



AMMODRAMUS CAUDACUTUS NELSONI Allen. 

 NELSON'S SPARROW. 



Similar to A. c. caudacutus, but decidedly smaller, the bill conspicu- 

 ously so; coloration much brighter, the whitish, pale grayish or pale 

 buffy streaks of back and scapulars more sharply contrasted with the 

 rich brown or olive ground-color; the chest, sides, and flanks deeper 

 buff, more abruptly contrasted with the white abdominal area, the 

 chest much less distinctly (never sharply?) streaked with grayish or 

 dusky, the streaks never ( ? ) approaching black. 



Adult wiffife. -Length (skins), 114.30-124.46 (118.36); wing, 53.34- 

 57.15 (55.37); tail, 45.72-52.58 (47.50); exposed culmen, 10.16-10.67 

 (10.41); depth of bill at base, 5.33-5.59 (5.46); tarsus, 18.29-20.83 

 (20.07); middle toe, 14.73-16.26 (15.49).^ 



Adult female.— l^ength (skms), 111.76-121.92 (115.57); wing, 52.07- 

 55.88 (54.10); tail, 43.18-48.26 (45.97); exposed culmen, 10.16-10.67 

 (10.41); depth of bill at base, 6.33-5.59 (5.46); tarsus, 20.07-21.34 

 (20.32); middle toe, 15.24-16.51 (15.49).' 



' Ten specimens. 



