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Show 832 MR. P. L. SCLATER ON NEW TYRANNID.E. [Dec. 6, et ventre medio cum crisso fiavido indutis: rostro pallide corneo, mandibula albicantiore, pedibus fuscis : long, tota 7'5, ala 3*7, caudce 3*1, tarsi 0*8, poll. Angl. Hab. Respubl. ^Equator, in ripis fl. Napo. Obs. Sp. crassitie majore et pilei plumis late albis ab E. pagana, cui forma similis, distincta. Fig. 1. Elainea gigas. I formerly referred this Elainea to the Muscipeta albiceps oi Lair, et D'Orb., but discovered m y error on obtaining specimens of the latter bird from Eastern Peru (see P. Z. S. 1868, p. 174). E. gigas, as I now propose to call it, is the largest species of the genus that I am acquainted with, slightly exceeding in size even E. obscura. It is not unlike the latter species generally, but has a large and conspicuous white crest, the feathers of which are margined with the colour of the head. 2. ELAINEA FALLAX, sp. nov. (Fig. 2, p. 833.) Elainea, sp. ex Jamaica, Sclater, P. Z. S. 1860, p. 314. E. fallax, Sclater, P. Z. S. 1861, p. 407, et Cat. A m . B. p. 217 (descr. nulla! ). Supra obscure olivacea, capite nigricantiore, pilei medii plumis ad basin albis: alis extus nigricantibus, tectricibus albo terminatis, secundariis hoc colore extus marginatis ; primariis extus olivaceo anguste fimbriatis: cauda fusca, rectricibus extus olivaceo anguste fimbriatis.- subtus pallide fiavida, subalaribus flavidis, remigum marginibus internis albescentibus : |