538 Bulletin American Museum of Natural History. [Vol. XXXVI, 



(3553) Hylocichla ustulata swainsoni {Tsch.). 



Turdus swainsonii Tsch., Fauna Peru, 1846, p. 188 (New Jersey); Wyatt, 

 Ibis, 1871, p. 320 (Herradura). 



Hylocichla ustulata swainsoni Allen, Bull. A. M. N. H., XIII, 1900, p. 182 

 (Bonda). 



Hylocichla ustulata swainsonii Hellm., P. Z. S., 1911, p. 1087 (N6vita). 



Common in the forests of both Tropical and Subtropical Zones through- 

 out most of the region explored. On March 5 they appeared in numbers 

 at Buena Vista presumably started on their northward migration. 



Novita Trail (4000 ft.)s 1, Dec. 13; Las Lomitas, 1, Mch. 1 ; San Antonio, 

 5, Jan. 8-26; Rio Frio, 2, Nov. 23, 29; La Sierra, 1, Mch. 2; Miraflores, 1, 

 April 26; Salento, 1, Nov. 9; Sta. Elena, 1, Nov. 19; Barro Blanco, 2, Nov. 

 26, 29; Rio Toche, 1, Oct. 26; El Eden, 1, Oct. 19; Chicoral, 1, Oct. 11; 

 near Honda, 3, Jan. 20- April 1; Choachi, 3, Nov. 9; Buena Vista (above 

 Villavicencio) 3, Mch. 5. 



(3554) Catharus birchalli Seeb. 

 Catharus birchalli Sebb., Cat. Bds. B. M., 1881, V, p. 289 (Bogotd). 

 Near San Agustin, 2; Andalucia (3000 ft.), 1. 



(3560) Catharus phaeopleurus Sol. & Salv. 



Catharus phceopleurus Scl. & Salv., P. Z. S., 1875, p. 541 (Dept. Antioquia); 

 Ibid., 1879, p. 491 (Medellin). 



Apparently of rather local occurrence in the Subtropical Zone of the 

 Western and Central Andes. Two specimens from Miraflores have the 

 under tail-coverts warm ochraceous-buff, in a third there is barely a tint of 

 this color. There is also considerable variation in the color of wings and 

 tail which in some specimens are decidedly rufescent. 



Peque, 3; near Popayan, 2; La Sierra, 2; Miraflores, 3. 



(3561) Catharus dryas {Gould). 



Malacocichla dryas Gould, P. Z. S., 1854, p. 285, pi. Ixxv ^[fruatemala). 



This is a not uncommon but shy inhabitant of the heavy forests of the 

 Subtropical Zone and upper border of the Tropical Zone of the Central and 

 Eastern Andes. Its song, tender and thrush-like in quality, frequently 

 betrays its presence when the eye cannot detect the singer. While there is 

 considerable variation in the color of the underparts in our series of fifteen 



