1917.] Chapman, Distribution of Bird-life in Colonibia. 271 



(911) Momotus subrufescens subrufescens Scl. 



Momotus subrufescens Scl., Rev. Zool., 1853, p. 489 (Santa Marta, Col.); Stone, 

 Proc. Acad. N. S. Phila., 1899, p. 305 (Ambalema; Honda) ; Allen, Bull. A. M. N. H., 

 XIII, 1900, p. 135 (Bonda). 



Momotus conexus Thayer & Bangs, Bull. Mus. Comp. Zool., 1906, p. 215 (Sab- 

 ana de Panama). 



A form of the Tropical Zone which we found only in the Magdalena 

 Valley. Fourteen specimens taken from La Playa to Chicoral, agree in 

 size and color, and differ from a large series of Santa Marta specimens only 

 in being slightly larger. Ridgway (Bull. U. S. N. M., 50, VI, p. 462) refers 

 two specimens from Honda and Ambalema to M. s. conexus Thayer & Bangs, 

 but with six topotypical specimens of that form and twenty-six of subru- 

 fescens from Santa Marta before me, I can detect no constant differences 

 on which to separate the Panama form. 



La.Playa, 1; Algodonal, 2; Remedies, 1; Malena, 2; Honda, and vicin- 

 ity, 7; Chicoral, 1. 



(911a) Momotus subrufescens reconditus Neh. 



Momotus conexus reconditus Nels., Smith. Miscell. CoU., 60, 3, 1912, p. 4 (Marran- 

 ganti, e. Panama; type examined). 



Comparison with the type and a specimen from Boca de Cupe, south- 

 eastern Panama, loaned me by Mr. Nelson, shows that a male from Salaqui 

 and a pair from the Atrato should be referred to this form. There is some 

 variation in the intensity of coloration of the upperparts, but not one speci- 

 men in our series of some forty specimens of subrufescens has the underparts, 

 particularly the abdominal region, as deeply colored as in any one of these 

 five birds. 



Salaqui, 1 ; Atrato, 2. 



912. Momotus momota ignobilis Berl. 



Momotus brasiliensis ignobilis Berl., J. f. 0., 1889, p. 307 (Shanusi, Yurimaguas, 

 Peru). 



Their characters indicate that nine Motmots from La Morelia and Flo- 

 rencia, and three from Villavicencio should be referred to this upper Ama- 

 zonian form. These birds are smaller than true momota and the rusty nuchal 

 • band appears as a wash rather than a well-defined patch, or it may be en- 

 tirely wanting, as in two immature specimens from Florencia. 



Florencia, 5; La Morelia, 4; Villavicencio, 3; Barrigon, 1. 



