. A monograph on the anatidae, or duck tribe. GENUS X. CLANGULA. Ext. Char. Pedes digitis posterioribus lobatis, externis mediis vix requantibus. Tibiaplurnosre. Rostrum parvum, capite brevius, a basi ad apicem angustatum. Nares ovales, mediumversus rostri positae. Lamella ad apicem pene obliteratfe. Cauda rectricibus rigidis, sed ad apicemflexilibus. Lingua obtusa, ad apicem appeudiculata, lateribus online uno setarum flexiluniiustructis. Axat. Char. Trachea tubula bulbo uno instructs. Larynx inferior bulbo maguo partimmembrinaceo, partim osseo. Costa a postice longe tendentes. Sternum postic


. A monograph on the anatidae, or duck tribe. GENUS X. CLANGULA. Ext. Char. Pedes digitis posterioribus lobatis, externis mediis vix requantibus. Tibiaplurnosre. Rostrum parvum, capite brevius, a basi ad apicem angustatum. Nares ovales, mediumversus rostri positae. Lamella ad apicem pene obliteratfe. Cauda rectricibus rigidis, sed ad apicemflexilibus. Lingua obtusa, ad apicem appeudiculata, lateribus online uno setarum flexiluniiustructis. Axat. Char. Trachea tubula bulbo uno instructs. Larynx inferior bulbo maguo partimmembrinaceo, partim osseo. Costa a postice longe tendentes. Sternum postice appendiceensiformi pawo. Ext. Char. Feet with the posterior toes lobated, the outer ones scarcely equal to themiddle. Tibia feathered. Bill small shorter than the head, narrowed from the base to the oval, placed towards the middle of the bill. Lamellee almost obliterated at the top. Tailwith the quills stiff, but flexible at the points. Tongue obtuse, with an appendage at the point,the sides garnished with one row of flexibl


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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838