BIRDS OF NORTH AND MIDDLE AMERICA. 213 



c. Upper parts without distinct black streaks. (Atlantic coast of United States,- 

 from southern Masst chusetts to South Carolina,) 



Ammodramas maritimus maritimus (p. 214) 

 cc. Upper parts with distinct black streaks. 

 <l. Under parts not heavily streaked with black; if distinctly streaked, the 

 ground color distinctly grayish or gray and buffy. 

 e. Faler; middle rectrices with median dusky streak very narrow, equal in 

 width to much less than half the total width of inner web; under parts 

 shaded with pale gray laterally and (sometimes) across chest, the latter 

 usually pale buff streaked with pale grayish. (Coast of Texas. ) 



Ammodramus maritimus sennetti (p. 218) 



ee. Darker; middle rectrices with median dusky stripe very broad, its width 



equal to at least half the total width of inner web; under parts shaded 



with deep gray or gray and buff laterally and across chest, the latter 



streaked with dusky or black. 



/. Chest, sides, and flanks grayish, with little if any buff; upper parts with 



less black. 



g. Jlore uniform in color, especially the upper parts, where the blackish 



streaks are less sharply contrasted with the general olivaceous color; 



under parts more grayish, with the darker streaks more extensively 



diffused, even the throat sometimes streaked. (Gulf coast of 



Florida.) Ammodramus maritimus peninsulae (p. 216) 



gg. Less uniform in color, especially the upper parts, where the blackish 

 streaks are sharply contrasted with the more varied ground color; 

 under parts less grayish, with the darker streaks more restricted 

 (whole throat immaculate) . ( Vicinity of Charleston, South Caro- 

 lina and southward. ) 



Ammodramus maritimus macgillivraii ' (p. 216) 



ff. Chest, sides, and flanks deep buffy; upper parts with more' black. 



(Coast of Louisiana, etc. , in summer; coast of Texas, western Florida, 



and, occasionally, vicinity of Charleston, South Carolina, in winter.) 



Aminodramus maritimus fisheri (p. 217) 

 dd. Under parts heavily streaked with black on a white ground. (East coast 

 of Florida, south of Matanzas Inlet.) . . .Ammodramus nigrescens (p. 219) 

 hb. Outermost (ninth) primary equal to fifth, or longer; smaller (tarsus averaging 

 less than 21.59). 

 c. Back and scapulars conspicuously streaked with grayish white or buffy 

 whitish; superciliary stripe deep buff, very strongly contrasted with the 

 deep brown lateral stripes of pileum; chest, aides, and flanks distinctly 

 streaked with black or dusky, or else deep buff, with or without distinct 

 black or dusky streaks. 

 d. Larger, with longer bill (exposed culmen 11.94 or more); chest, sides, and 

 flanks conspicuously and sharply streaked with black or dusky, on a 

 paler (often whitish) buffy ground; average measurements, wing 57.15, 

 tail 48.01, exposed culmen 12.45, tarsus 20.83, middle toe 16.26. (Atlan- 

 tic coast of United States, north to Massachusetts. ) 



Ammodramus caudaoutus oaudacutus (p. 220) 

 dd. Smaller, with shorter bill (exposed culmen not more than 10.67); chest, 

 sides, and flanks deep buff, less distinctly (rarely sharply or conspicu- 

 ously) streaked, the first sometimes immaculate; average measure- 



' A very unsatisfactory subspecies, the characters being intermediate between those 

 of A. m. mcmtvmus and A. m. fisheri, or, in some cases, between the former and A. 

 m. : 



