BIRDS OF NOETH AND MIDDLE AMEBICA. 21& 



AmmodramiLi maritivwx sennetli Allen, Auk, v, July, 1888, 286 (Corpus Christi, 

 Texas; coll. G. B. Sennett), 426 (Corpus Christi, May 26); v, Oct., 1888, 

 498 (Corpus Christi). — Ameeican Ohnithologists' Union, Suppl. to Check 

 List, 1889,13; Check List, abridged ed., 1889, no. 550b; 2d ed., 1895, no. .550/;.— 

 CnAPM.^N, Bull. Nutt. Orn. Club, iii, 1891, 323 (Nueces Bay, Texas; song; 

 crit.).— Rhoads, Proc. Ac. Nat. Sci. Phila., 1892, 109 (Nueces Bay). 



Ammodramus sennetti Chapman, Auk, xvi, Jan., 1899, 3 (crit.), pi. 1, lower flg. 



AMMODRAMUS NIGRESCENS Ridgway. 

 DUSKY SEASIDE SPAKEOW. 



Aclults {s&xes alike). — Above black, indistinctly streaked with olive 

 and grayish; wing and tail feathers edged with olive-brown; supra- 

 loral spot and edge of wing gamboge yellow; under parts white, thickly 

 and broadly streaked with black. 



AOiili mr//tf.— Length (skins), 124.46-129.54 (127.00); wing, 58.93- 

 60.45 (59.94); tail, 54.61-55.88 (55.12); exposed culmen, 13.21; depth 

 of bill at base, 6.35; tarsus, 21.69-22.35 (21.84); middle toe, 15.49- 

 15.75 (15.12).^ 



Aduli female.— Length (skins), 124.46-130.81 (127.51); wing, 57.15- 

 60.96 (58.93); tail, 66.39; exposed culmen, 12.95-13.46 (13.21); depth 

 of bill at base, 6.60; tarsus, 21.31-23.11 (22.10); middle toe, 15.75.' 



Middle portion of east coast of Florida (Merritts Island; east shore 

 Indian Kiver opposite Titusville; Dummitts Creek; Salt Lake, upper 

 St. Johns River; "marsh}' islands of Banana River,. north along this 

 body of water to the Haulover Canal."). 



Ammodromus maritimu!<,\a,r.iiigre8cen8 Ridgway, Bull. Essex Inst., v, Dec, 1873, 

 198 (Indian R., Florida; coll. R. Ridgway') . — Baird, Bbewer, and Ridgway, 

 Hist. N. Am. B., iii, 1874, 514.— Coubs, Check List, 1874, 127 (no. 165a). 



A.^mmodromus] maritimus nigrescens Scott, Auk, vi, Jan., 1886, 16, in text. 



A. Immodramus] m. [aritimu.i'] nigrescens Coues, Key X. Am. Birds, 2d ed., 

 1884, 368. 



Ammodromus nigrescens Ridgway, Proc. U. S. Nat. 3Ius., iii. Mar. 27, 1880, 2; 

 Nom. N. Am. B., 1881, no. 203.— Shaepe, Cat. B. Brit. Jilus., xii, 1888,685. 



Ammodramus nigrescens American Oenithologists' Union, Check List, 1886, no. 

 551. — Chapman, Auk, xv, 1898, 270 (mo. Dummitts Creek, e. Florida); xvi, 

 1899, 2 (crit.).— Koch, Auk, xvi, 1899, 277 (Indianola, Merritt's I., e. 

 Florida). 



Ammodramus maritimus nigrescens Coues, Check List, 2il ed., 1882, no. 239. 



A.{^nmodramii-s1 m.[^ciritimus'] nigrescens Coues, Key N. Am. Birds, 2d ed. 1SS4, 

 368. 



' Three specimens. 



^ Two specimens. 



The average length of eight specimens, measured by Jlr. C. J. Maynard, before 

 skinning, was 171.45, the extent of wings being 199.90. ("Birds of Florida," pp. 

 119-120.) 



Mr. Chapman (Auk, xvi, 1899, p. 2) gives the average measurements of seventeen 

 specimens "in comparatively unworn plumage," as follows: Wing, 63.50; tail, 51.82; 

 bill from nostril, 10.92. 



' Type now in collection of U. S. National JIuseum. 



