. A monograph on the anatidae, or duck tribe. GENUS VIII. CHENALOPEX. Ext. Char. Pedes digitis posterioribus gibbosis, et unguibus robustis. Tarsi longi. Rostrum valitlum ad basum tuberculatum. Lamella non ad marginem rostri continuata?. Annssubrotundatae in medio rostri positae. Ala calcaria una armata. < main ad apicem truncata. Anat. Char. Trachea tubula equali. Larynx inferior bulbo laterali. Ext. Char. Feet with tbe posterior toes gibbous, and the claws strong. Tarsi long. Billstrong, at the base tuberculated. Lamella not continued to the margin. Nostrils rather rounded,placed in the m
. A monograph on the anatidae, or duck tribe. GENUS VIII. CHENALOPEX. Ext. Char. Pedes digitis posterioribus gibbosis, et unguibus robustis. Tarsi longi. Rostrum valitlum ad basum tuberculatum. Lamella non ad marginem rostri continuata?. Annssubrotundatae in medio rostri positae. Ala calcaria una armata. < main ad apicem truncata. Anat. Char. Trachea tubula equali. Larynx inferior bulbo laterali. Ext. Char. Feet with tbe posterior toes gibbous, and the claws strong. Tarsi long. Billstrong, at the base tuberculated. Lamella not continued to the margin. Nostrils rather rounded,placed in the middle of the bill. Wings armed with one spur. Tail squared at the end. Axat. Char. Trachea with the tube of equal size. Inferior larynx with a lateral bulb. Axser. Alict. Chexalopex. Steph. Aatiq. Type. Chenalopex Eggptiaca. —. TIAtA* 23 [anserine. Affinity. This genus, in possessing a bulb on the trachea, presents an affinity to theducks; while its form and habit evidently point out its connection with the geese.
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
