. A monograph on the anatidae, or duck tribe. 73 [ GENUS III. ERISMATURA. Ext. Char. Pedes iligitis posterioribus lobatis, extemis mediis vix sequantibus. Tibieeplumatee. Rostrum validum, aut mediocre, prope apicem latissimum. Mandibula unguiculata?.Nares ovales, parvae, in medio rostri versus culmiuem posits. Cauda rotundata, rectricibusrigidis. Ala remigibus paululum incurvatis. Axat. Char. Ignoti. Ext. Char. Feet with the posterior toes lobated, the outer one scarcely equal to the feathered. JJilt moderate, broadest near the tip. Mandibles furnished with


. A monograph on the anatidae, or duck tribe. 73 [ GENUS III. ERISMATURA. Ext. Char. Pedes iligitis posterioribus lobatis, extemis mediis vix sequantibus. Tibieeplumatee. Rostrum validum, aut mediocre, prope apicem latissimum. Mandibula unguiculata?.Nares ovales, parvae, in medio rostri versus culmiuem posits. Cauda rotundata, rectricibusrigidis. Ala remigibus paululum incurvatis. Axat. Char. Ignoti. Ext. Char. Feet with the posterior toes lobated, the outer one scarcely equal to the feathered. JJilt moderate, broadest near the tip. Mandibles furnished with oval, small, placed in the middle of the bill towards the eulmen. Tail rounded, withthe quills still. Wings with the quills a little incurved. Anat. Char. Unknown. A NA8. 1. ni a. Oxyura. Bonap. ErISMATURA. (in ii Id. (ivMM u\. Erismatura rubida. 74 The genus Oxyura was first instituted by the Prince of Musignano, for the reception otAna* rubida, Wils. Mr. Gorier having overlooked it, formed his genus Undina,


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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838