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20. 
PASSERES 
. Pipra leucocilla anthracina Ridgway. 
Pipra pipra anthracina Ridgway, Proc. Biolog. Soc. Wash. 19, p. 117 (1906) (Moravia, Costa Rica). 
Hab S. W. Costa Rica (Moravia) and Veragua. 
Pipra leucocilla coracina Sclater. 
Pipra coracina Sclater, Proc. Zool. Soc. Lond. 1856, p. 29 (Bogota-collections). 
Hab. Elevated districts of Colombia and Ecuador (on the eastern slope of the Andes). 
. Pipra leucocilla comata Berlepsch & Stolzmann. 
Pipra comata Berlepsch & Stolzmann, The Ibis, 1894, p. 392 (La Gloria and Garita del Sol, Central Peru). 
Hab. Chanchamayo district in Central Peru. 
. Pipra isidorei isidorei Sclater. 
Pipra isidorei Sclater, Rev. Zool. 1852, p. 9 (Bogota-collections). 
Hab. Colombia (Bogota-coll.) and Eastern Ecuador. 
. Pipra isidorei leucopygia Hellmayr. 
Pipra isidoret leucopvgia Hellmayr, Verh. Zool.-bot. Ges. Wien, 1903, p. 200 (Huambo, North Peru). 
Hab. Huayabamba valley in North Peru. 
. Pipra ceruleocapilla Tschudi. 
Pipra caeruleocapilla Tschudi, Arch. f. Naturg. Vol. 10, 1, p. 271 (1844) (Peru). 
Hab. Central and Southeast Peru, at elevations of from 2400 to 3100 feet. 
Pipra coronata velutina Berlepsch. 
Pipra velutina Berlepsch, The Ibis, 1883, p. 492 (Veragua). 
Hab. Costa Rica, Chiriqui, Veragua, Panama, Western Colombia and N. W. Ecuador. 
Pipra coronata coronata Spix. 
Pipra coronata Spix, Av. Bras. Vol. 2, p. 5, t. 7, f. 1 (1825) (S. Paulo d’Oliyenca, Amazons). 
P. herbacea Spix, ibidem, p. 6, t. 8a, f. 1, 9 (1825) (Amazons). 
P. cyanocapilla Hahn, Vogel aus Asien, etc. Lief. 15, t. 3, f. 2 (1826) (« Brasilien »). 
Hab. Eastern Ecuador, Northeastern Peru and N. W. Brazil (Rio Negro, R. Solimoéns, Rio Jurua . 
. Pipra hoffmannsi Hellmayr. 
Pipra hoffmannsi Hellmayr, Novit. Zool. Vol. 14, p. 49 (1907) (Teffe). 
Hab. Only known from Teffé on the Rio Solimoéns, North Brazil. 
. Pipra celesti-pileata Goeldi. 
Pipra caelesti-pileata Goeldi. C. R. 6€me Congr. Zool. Berne, p. 549 (May 1905) (Upper Purus, W. Brazil). 
Hab. From the upper Rio Madeira (Humaytha), West Brazil to the Ucayali in Eastern Peru. 
. Pipra exquisita Hellmayr. 
Pipra exquisita, Hellmayr, Bull. Brit. Orn. Club, Vol. 15, p. 56 (March 1905.) (Chuchurras, Peru). 
Hab. Only known from Chuchurras, province of Huanuco, Central Peru. 
. Pipra serena suavissima Salvin & Godman. (Plate 3, Fig. 6.) 
Pipra suavissima Salvin & Godman, The Ibis, 1882, p. 79, t. 1 (Merume Mount. and Bartica Grove, Brit. Guiana)_ 
Hab. British Guyana. 
. Pipra serena serena Linneus. 
Pipra serena Linnaeus, Syst. Nat. edit. 12, Vol. 1. p. 340 (1766) (ex Brisson, Ornith. Vol. 4, p. 457 — Cayenne). 
Hab. Cayenne. 
. Pipra nattereri Sclater. 
Pipra natterert Sclater, Proc, Zool. Soc. Lond. 1864, p. 611, t. 39 (Borba, Rio Madeira). 
Pipra gracilis Hellmayr, Verh. Zool.-bot. Ges. Wien, p. 202 (1903) (Mattogrosso). 
Hab. Central Brazil : from the right bank of the Rio Madeira (Borba, Allianca, Calama, etc.) east to the 
Tapajoz ; south to Engenho do Gama, Rio Guaporé in northern Mattogrosso, 
. Pipra opalizans Pelzeln. 
Pipra opalizans, Pelzeln, Zur Ornith. Brasil. Abt. 2, p. 186 (1868) (Para). 
Hab. Environs of Para, N. E. Brazil. 
