BIRDS OF NORTH AND MIDDLE AMERICA. 451 



Coast plains of western Mexico, from southern Sinaloa (vicinity of 

 Mazatlan, Rosario, etc.) to southern Tepic. 



Embernagra rufivirgata (not of Lawrence, 1851) Baird, Rep. Pacific R. R. Burv., 



ix, 1858, 487, part (Mazatlan, Sinaloa).' 

 Arremonops supercUiosa sinalox Nelson, Proc. Biol. Soc. Wash., xiii, May 29, 



1899, 28 (near Mazatlan, Sinaloa; U. S. Nat. Mus.). 



ARREMONOPS VERTICALIS Ridgway. 

 SOHOTT'S SPARROW. 



Adults {sexes alike). — Pileum with two lateral stripes of chestnut- 

 brown, more or less streaked with black, especially on forehead, 

 where sometimes uniform black, these two chestnut-brown stripes 

 separated by a broad median stripe of plain olive-grayish; rest of 

 upper parts plain brownish olive-green, sometimes tinged with gray- 

 ish on back, the lesser wing-coverts and edges of primaries more yellow- 

 ish olive-green; edge of wing light canary yellow; sides of head and 

 neck mostly plain gray, sometimes tinged with olive, gradually fading 

 into grayish white on chin and throat; a narrow orbital ring of white; 

 broad streak across lores (from bill to anterior angle of eye), and post- 

 ocular streak, dark chestnut-brown; lower throat, chest, sides, and 

 flanks pale gray, sometimes faintly tinged with buff, especially on 

 flanks, where also more or less tinged with olive-greenish; breast and 

 abdomen white; under tail-coverts dull whitish or pale buffy; maxilla 

 dark brown, mandible pale yellowish or buffy (in dried skins); legs 

 and feet brownish; length (skins), 13Y.16-153.67 (145.03); wing, 

 60.45-68.07 (64.01); tail, 57.91-66.04 (61.72); exposed culmen, 11.43- 

 14.99 (13.21); depth of bill at base, 7. 11-7; 87 (7.37); tarsus, 22.35- 

 24.89 (23.37); middle toe, 14.48-15.75 (14.99).' 



Northern Yucatan (Merida; Temax); Meco Island, Yucatan. 



Embernagra rufivirgata (not of Lawrence, 1851) Lawbence, Ann. Lye. N. Y., ix, 

 1869, 201 (Merida, n. Yucatan). 



\_Embernagra rufivirgata] y. verticalis Ridgway, Proc. U. S. Nat. Mus., i, Dec. 10, 

 1878, 248, 249 (Merida, n. Yucatan; U. S. Nat. Mus.). 



Embernagra verticalis Salvin and Godman, Biol. Centr.-Am., Aves, i, Oct., 1886, 

 414 (Merida, Yucatan).— Salvin, Ibis, 1888, 262 (Meco I., Yucatan; crit.).— 

 Shaepe, Cat. Birds Brit. Mus., xii, 1888, 765 (n. Yucatan; Meco I., Yucatan). 



E. [mbemagra'] rufivirgata verticalis Ridgway, Man. N. Am. Birds, 1887, 435. 



Embernagra rufivirgata verticalis Stone, Proc. Ac. Nat. Sci. Phila., 1890, 209 

 (Telianto, Yucatan; song). 



A-lrremonops] rufivirgataverticoMs Rmavr ay, Man. N. Am. Birds, 2ded., 1896,435. 



Embernagra chloronota (not of Salvin) Boucard, Proc. Zool. Soc. Lond., 1883, 

 444, part (Merida, Yucatan). 



Arremonops rufivirgata striaticeps (not Embernagra striaticeps Lafresnaye) Chap- 

 man, Bull. Am. Mus. N. H., viii, 1896, 280 (Chichen-Itza, Yucatan; habits; 

 song). 



' Specimen in collection Academy of Natural Sciences, Philadelphia. 

 ^ Nine specimens, of which only three are sexed. 



