1917.] Chapman, Distribution of Bird-life in Colombia. 557 



(3735) Sporophila grisea grisea (Gmel.). 



Loxia grisea Gmel., Syst. Nat., I, 1788, p. 857 (Guiana). 

 Spermophila grisea Scl. & Salv., P. Z. S., 1879, p. 607 (Envigado; Medellin). 

 Sporophila grisea Allen, Bull. A. M. N. H., XIII, 1900, p. 166 (Cienaga; Santa 

 Marta). 



Inhabits open or arid places in the Tropical Zone and advances to the 

 Subtropical Zone along roadsides, trails and through clearings where grass 

 and weed seeds may be obtained. 



I observe no approach toward the Panama form S. g. schistacea except 

 in the greater amount of white on the belly shown by some specimens. This, 

 however, appears to be individual. 



Caldas, 4; Las Lomitas, 1; San Antonio, 1; Cali, 1; Miraflores, 3; 

 Popayan, 1; San Agustin, 1; below Andalucia (alt. 3000 ft.), 4; Chicoral, 1; 

 Honda, 1; Puerto Berrio, 1; Buena Vista, 2; Villavicencio, 1. 



(3743) Sporophila castaneiventris Cab. 



Sporophila castaneiventris Cab., in Sohomb. Reis. Guian., Ill, 1848, p. 679 

 (Guiana) . 



La Morelia, 1. 



(3745) Sporophila minuta minuta (Linn.). 



Loxia minuta Linn., Syst. Nat., I, 1758, p. 176 (Surinam). 

 Spermophila minuta Wyatt, Ibis, 1871, p. 328 (Ooana; Paturia). 

 Sporophila minuta Stone, Proo. Acad. N. S. PhUa., 1899, p. 307 (Honda); Allen, 

 Bull. A. M. N. H., XIII, 1900, p. 166 (Honda; Ofiaca; Cienaga). 



Abundant in the arid or semi-arid Tropical Zone following up the trail 

 or clearings where grasses grow to the lower border of the Temperate Zone. 



Caldas, 1; Cali, 1; Rio Frio, 1; La Manuehta, 4; Miraflores, 1; Barro 

 Blanco, 3 ; San Agustin, 1 ; Chicoral, 2 ; Honda, 1 ; Puerto Berrio, 2 ; Ma- 

 lena, 2; Calamar, 2; Quetame, 2. 



(3758a) Sporophila aurita aurita (Bonap.). 

 Spermophila aurita Bonap., Consp. Av., II, 1850, p. 497 ("Brazil" = Panama?). 



Our series of thirty-three males from the Pacific coast (Dabeiba to Prov. 

 Guayas, Ecuador) shows a gradual change from a bird in which the breast 

 is largely black, the breast-band broad, and the sides showing more or less 

 black, to one in which the throat is white with sometimes two black malar 



