Proceedings of the Scientific Meetings of the Zoological Society of London 1873

Page 868

782 MR. P. L. SCLATER ON PERUVIAN BIRDS. [Dec. 2, canti-albo: rostro et pedibus nigris: long, tota 3*5, alee 2, caudee 1*2. Hab. Peruvia alta, Cosnipata (Whitely). Obs. Sp. affinis T. caloptero, ex iEquatoria *, sed dorso nigro dis­tinguenda. 23. TYRANNISCUS VIRIDISSIMUS, sp. nov. Tyranniscus gracilipes, Scl. et Salv. P. Z. S. 1873, p. 185 (err.). Supra olivaceus, pileo concolori : alis nigris extus flavicante oli­vaceo stride marginatis : cauda fusca extus olivaceo marginata : subtus dilute fiavida, ventre medio et tectricibus subalaribus clarioribus: long, tota 4*5, alee 2, caudee 2. Hab. Peruvia int. Cosnipata et Guadelupe (Whitely). Obs. Aff. T. gracilipedi, sed pileo dorso concolori, crassitie paulo majore et colore pectoris minus claro diversa. A single skin of this species, received in Mr. Whitely's sixth collection, was assigned to T. gracilipes. The receipt of a second example enables me to point out the differences satisfactorily. This species must be added to the list given P. Z. S. 1871, p. 842. 24. MYIOBIUS AUREIVENTRIS, sp. nov. Supra saturate olivaceo-viridis, dorso postico flavissimo : pileo nigerrimo, macula verticali celata flava : fronte et loris albis : lateribus capitis cinereis : gula alba cineraceo induta: pectore olivaceo, ventre flavissimo : alis nigris, secundariorum marginibus angustis externis et remigum omnium internis cum subalaribus rufescentibus: cauda tota castanea: rostro et pedibus nigris: long, tota 4*8, alee 2*6, caudce 2. Hab. Peruvia alta, Cosnipata (Whitely). Obs. Assimilis M. ornato ex Columbia et M. phcenicuro ex iEquatoria orientali, sed gula albicante et ventre flavissimo distin­guenda. Dr. Cabanis has lately described a third of this section of the genus Myiobius from Western Ecuador (M. stellatus, Cab. J. f. O. 1873, p. 158). This Peruvian form makes a fourth. 27. PIPRA C^ERULEICAPILLA, Tsch. F. P. Aves, p. 145. Until recently I had followed other authorities in considering Tschudi's bird the same as Pipra cyaneocapilla of Upper Amazonia, Columbia, and Panama. But, as Tschudi says, the Peruvian species is quite distinct, having a conspicuous blue rump like the head. I first saw an example of the latter in Jelski's collection belonging to the Warsaw Museum ; and Mr. Whitely now sends a single skin, obtained at Cosnipata (the only one he has seen), of the same species. 29. CINCLODES BIFASCIATUS, Sclater, P. Z. S. 1858, p. 448. Upucerthia atacamensis, De Philippi, Reise i. d. Wiiste Atacama, p. 162, pl. 3. * P. Z. S. 1857. p. 82, pl. exxv. fig. 1.