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



Two speciiaens from Buena -Vista, near the eastern base of the Eastern 

 Andes are intermediate between nigriceps from Ecuador and tubercidifer 

 from Venezuela and Trinidad; the back is less green than the former and 

 not so gray as in the latter, and the crown while lacking the intense black 

 of nigriceps is not as fuscous as in the birds from Venezuela and Trinidad. 

 On geographical grounds, however, these birds should be referred to tu- 

 berculifer rather than to nigriceps. 



Santa Marta birds (19 specimens) agree with those from eastern Vene- 

 zuela and Trinidad. 



Buena Vista, 2. 



(3100) Tyrannus tyrannus (Linn.). 



Lanius tyrannus Linn., Syst. Nat., 1, 1758, p. 94 (Carolina). 



Tyrannus pipiri Scl. & Salv., P. Z. S., 1879, p. 515 (Medellin). 



Tyrannus tyrannus Allen, Bull. A. M. N. H., XIII, 1900, p. 142 (Santa Marta). 



Our specimens are from the Cauca and Magdalena Valleys, and from 

 near Quetame. On April 15, 1912, we saw loose flocks containing hundreds 

 of Kingbirds on the Magdalena River near Puerto Wilche. They were 

 presumably migrating. 



Miraflores, 1, Apl. 20; San Agustin, 1, Apl. 17; Susumuco, 1, Mch. — . 



(3101) Tyrannus niveigularis Scl. 



Tyrannus niveigularis Scl., P. Z. S., 1860, p. 281 (Babahoyo, Ecuador). 



A specimen from Ricaurte agrees with topotypical examples from Daule. 

 This western Ecuador species has not before been recorded from Colombia. 

 Ricaurte, 1. 



(3102) Tyrannus dominicensis {GmeL). 



Lanius dominicensis Gmbl., Syst. Nat., I, 1788, p. 302 (Santo Domingo). 

 Tyrannus dominicensis Cass., Proc. Acad. N. S. Phila., 1860, pi. 143 (Carthagena). 

 Tyrannus griseus Allen, Bull. A. M. N. H., XIII, 1900, p. 142 (Honda). 



Found only on the San Juan and Lower Magdalena. 



Noanama, 2, Dec. 29, Jan. 1; Banco, 2, Jan. 24; Varrud, 2, Nov. 5. 



(3104) Tyrannus melancholicus satrapa {Cab. & Hein.). 



Laphyctes satrapa Cab. & Hein., Mus. Hein., II, 1859, p. 77 (Paraguay). 

 Tyrannus melancholichus Cass., Proc. Acad. N. S. Phila., 1860, p. 143 (Cartha- 

 gena; Turbo; Truando); Wyatt, Ibis, 1871, p. 334 (Bucaramanga region up to 



