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Show 352 MESSRS. SCLATER AND SALVIN ON NEW [Apr. 4, 1831, p. 618), appears to have been founded on an individual of D. aguti with white incisors; D. albida, Gray (Ann. Nat. Hist. x. p. 264) is probably, as Mr. Sclater has suggested*, an accidental variety of the Antillean Agouti which I have here referred to D. cristata; and, finally, Mr. Waterhouse was no doubt correct in regarding "D. leptura, Natterer" (Wagner, Schreb. Saug. iv. p. 49) and D. exilis, Wagler (Isis, 1831, p. 619), as being merely synonyms of D. acouchi. 4. O n new Species of Bolivian Birds. By P. L. SCLATER, M.A., Ph. D., F.B.S., and O S B E R T SALVIN, M.A., F.R.S. [Eeceived April 3, 1876.] (Plates XXX.-XXXIII.) The following new species of birds are founded on specimens contained in a collection recently formed in Bolivia by Mr. C. Buckley. Nearly the whole of this collection was made in the province of Yungas, in a forest-clad spur of the Andes which extends in a northeasterly direction between the Rio de la Paz and the Rio Coroico, affluents of the Rio Beni and then of the great tributary of the Amazon the Rio Madeira. Mr. Buckley's head quarters in this district was a place called Tilotilo, a mere group of Ranchos not indicated on any map. The country he explored included a great range of elevation, extending- from about 3000 feet to 12000 feet above the sea-level, and consequently considerable variation of climate and vegetation, the rich forests so characteristic of the eastern slopes of the Andes forming the chief feature. The collection, which contains between 400 and 500 skins of about 194 species, has passed into the hands of Messrs. Salvin and Godman. The following are the species in it which we consider to be undescribed. 1. CATHARUS MENTALIS, sp. nov. Supra saturate fumoso-brunneus unicolor, alis caudaque paulo obscurioribus: subtus schistaceus medialiter dilutior, ventre medio fere albo; mento et gula cum genis brunneo indutis: rostro aurantiaco ; pedibus pallide corylinis: long, tota 65, ala 3*3, cauda 3*2, tarsi 1*3, rostri 095. Hab. "Suape" prope " Tilotilo " prov. Yungas, Bolivia. Obs. Similis C. fuscatro, sed mento brunnescente et colore corporis superi fuscescentiore distinguendus. 2. BASILEUTERUS EUOPHRYS, sp. nov. Supra olivaceo-viridis unicolor: superciliis latis et corpore subtus fiavis : luris, pileo medio et regione oculari nigris : rostro nigro: pedibus pallidis : long, tota 5*5, ala 2 7, cauda 2*6, tarsi0 95, * P. Z. S. 1874, p. 666. |
