744 BULLETIN 50; UNITED STATES NATIONAL M.USEUM. 



cc. Crown while. 



d. Rump light blue; white of pileum faintly tinged with bluish, the feathers 

 narrow, pointed, distinctly outlined. (Pipra isidorei.) 

 e. Rumi? light azun; or flax-flower Ijlue. (Colomljia and eastern Ecuador.) 



Pipra isidorei isidorei, adult male (extralimital)« 

 ee. Rump very pale Idue or whitish blue. (Northern Peru.) 



Pipra isidorei leucopygia, adult male (extralimital) b 

 dd. Riunp l)lack, lik(> r(«t of upper surface; white of pileum pure, the feathers 

 soft and blended. {Pipra pipra.) 

 e. Under parts of body wholly lilack. 

 /. Feathers of nape less elongated, dusky at base. 



g. Black of plumage more intense, slightly glossy, Ijlue-black. (Cayenne, 

 British Guiana, and VenezAiela.) 



Pipra pipra pipra, adult male (extralimital) c 

 gg. Black of plumage opaque velvety black. 



h. Smaller (wing 59.5-63, tail 25-27); black less intense or slightly 



less bluish; longer under tail-coverts tipped with grayish. (Costa 



Rica and Panama.). . . .Pipra pipra anthracina, adult male (p. 751) 



hh. Larger (wing 65-71.5, tail 80-34); black more intense or slightly 



more bluish; under tail-coverts entirely deep black. (Colombia 



to central Peru.). .Pipra pipra coracina, adult male (extralimital) d 



fj. Feathers of nape more elongated, forming a distinct nuchal crest, white 



to extreme base. (Central Peru.) 



Pipra pipra comata, adult male (extralimital) « 



ee. Under parts of body, posterior to breast, dull grayish black or blackish 



slate. (Eastern Brazil.). .Pipra pipra bahiae, adult male (extralimital) / 



a Pipra isidorei Sclater, Rev. et Mag. de Zool., 1852, 9 (Colombia; coll. Mus. N. H. 

 Paris); in Jardine's Contr. Orn., 1852, 132, pi. c, fig. 1. — Pipra isidori Sclater, Cat. 

 Birds Brit. Mus., xiv, 1888, 298.— Pipra isidorii Hellmayr, Ibis, 1906, 28 (monogr.). 



b Pipra isidori (not of Sclater) Taczanowski, Proc. Zool. Soc. T>ond . , 1882, 23 (Huambo, 

 n. Peru); Orn. du Perou, ii, 1884, 342.-^Pipra isidorei Icucopygia Hellmayr, Verh. K. 

 K. Zool.-bot. Gesells. Wien, May 22, 1903, 200 (Huambo, n. Peru; coll. Vienna 

 Mus.). — Pipra isidorii leucopygia Hellmayr, Ibis,- 1906, 29 (monogr.). 



c[Parus] pipra Linnams, Syst. Nat., ed. 10, 1758, 190 ("Indiis;" based on Seba, 

 Mus., ii, 102, pi. 96, fig. b).— Pipra leucodlla Linnaeus, Mus. Adolph. Frid. Regis., ii, 

 1764, 32 (based on Parus pipra Linnaeus); Sclater, Cat. Birds Brit. Mus., xiv, 1888, 

 297, part; Hellmayr, Ibis, 1906, 22, part (monogr.). 



dPipra coracina Sclater, Proc. Zool. Soc. Loud., 1856, 29 (Bogota, Colombia; coll. 

 P. L. Sclater). — P[ipra] lencocilla coracina Berlepsch and Stolzmann, Ibis, 6th ser., 

 July, 1894, 392, in text; Berlepsch and Hartert, Novit. Zool., ix, 1902, 53, in text.— 

 Pipra leucodlla coradno Hellmayr, Ibis, 1906, 26 (monogr.). — Pipra leucodlla (not of 

 Linnjeus) Sclater, Cat. Birds Brit. Mus., xiv, 1888, 297, part. 



e Pipra comata Berlepsch and Stolzmann, Ibis, 6th scr., vi, July, 1894, 392 (Garita 

 del Sol, e.-centr. Peru; coll. Count von Berlepsch). — Pipra levcodlla comata Hellmayr, 

 Ibis, Jan., 1906, 27 (monogr.). 



fP[ipra~\ leucodlla (not of Linnaeus) Cabanis and Heine, Mus. Hein., ii, 1859, 93 

 (Bahia).— Pipra levcodlla Sclater, Cat. Birds Brit. Mus., xiv, 1888, 297, part; Hell- 

 mayr, Ibis, 1906, 22, part (monogr.). — (?) Pipra cephaleucox Thunberg, Mem. Ac. Imp. 

 St. Petersb., viii, 1822 (see Lonnberg, Ibis, 1903, 241). — Pipra pipra bahise Ridgway, 

 Proc. Biol. Soc. Wash., xix, 1906, 117 (Bahia, e. Brazil; coll. U. S. Nat. Mus.). 



I do not know whether specimens from southern Brazil are referable to this form or 

 not, th(^ oidy P.razilian examples of the species that I have seen being a series from 

 Bahia. 



