. A monograph on the anatidae, or duck tribe. o, partim osseo, latere complanato. Ext. Char. Feet with the posterior toes lobated, the middle ones scarcely the feathered. Dill equal to the head, broadest at the base. Lamella strong, and con-tinued to the margin. Nostrils suboval, large, Tail moderate. Head crested. Anat. Char. Trachea with two bulbs on the tube. Inferior Larynx with a lateral bulb,partly membrinaceous, partly osseous, on the side flattened. Anas. Linn. Fuligula. Ray, Leach. Glaucium, Querquedula. Briss. CALLICHEN. Brehm. nobis. Type. Callichen rujina.
. A monograph on the anatidae, or duck tribe. o, partim osseo, latere complanato. Ext. Char. Feet with the posterior toes lobated, the middle ones scarcely the feathered. Dill equal to the head, broadest at the base. Lamella strong, and con-tinued to the margin. Nostrils suboval, large, Tail moderate. Head crested. Anat. Char. Trachea with two bulbs on the tube. Inferior Larynx with a lateral bulb,partly membrinaceous, partly osseous, on the side flattened. Anas. Linn. Fuligula. Ray, Leach. Glaucium, Querquedula. Briss. CALLICHEN. Brehm. nobis. Type. Callichen rujina. FUL1GULINJE.] GO We first instituted this genus on F. rufina, after having observed the trachea of that this, however, will be added the beautiful species Fuligula caryophylacea. With anyanatomical character further than that above given we are unacquainted, not having ever seen theskeleton. Affinities. In having bulbs on the tube of the trachea, and also in general form, this birdpresents considerable affinity to the 61 [
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
