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



(3553) Hylocichla ustulata swainsoni {Tsch.). 



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

 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 (N<5vita). 



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.), 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, I, 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 Seefc. 



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

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



(3560) Catharus phseopleurus Scl. & Sah. 



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

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



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 Gottld, P. Z. S., 1854, p. 285, pi. Ixxv^Cfuatemala). 



This is a not uncommon but shy inhabitant of th^ 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 



