. A monograph on the anatidae, or duck tribe. UUbli&y \\ LEV I . 63 [fuligulin^ GENUS VIII. NYROCA. Est. Char. Pedes digitis posterioribus lobatis, externis mediis vix aequantibus. Tibiceplumatee. Rostrum brevius capite, prope apicem latissimum, obtusum. Lamella abbreviate, etnonad marginem continuatse. Naves subovales, parvse. Cauda brevis. Lingua obtusa, ad apicemappendiculata, lateribus una et in medio duplici ordine setarum flexilum instructis, ad latera suprabas setas quinque spinis instructis. Anat. Char. Trachea tubula in medio multum expandente, contractu supra laryngineminferiorem.


. A monograph on the anatidae, or duck tribe. UUbli&y \\ LEV I . 63 [fuligulin^ GENUS VIII. NYROCA. Est. Char. Pedes digitis posterioribus lobatis, externis mediis vix aequantibus. Tibiceplumatee. Rostrum brevius capite, prope apicem latissimum, obtusum. Lamella abbreviate, etnonad marginem continuatse. Naves subovales, parvse. Cauda brevis. Lingua obtusa, ad apicemappendiculata, lateribus una et in medio duplici ordine setarum flexilum instructis, ad latera suprabas setas quinque spinis instructis. Anat. Char. Trachea tubula in medio multum expandente, contractu supra laryngineminferiorem. Larynx inferior partim ossea, partim membrinacea. Ext. Char. Feet with the posterior toes lobated, the outer ones scarcely equal to themiddle. Tibia feathered. Bill shorter than the head, near the point broadest, obtuse. Lamellaabbreviated, and not continued to the margin. Nostrils suboval, small. Tail short. Tongueobtuse, with an appendage at the point, the sides with one and the middle with a double rank offlexible bristles, above these bristles on the sides armed with five


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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838