. A monograph on the anatidae, or duck tribe. aMbafA HABKLOA & TtUCUBA. 2 Thorite tfuAat owe 65 [ GENUS IX. HARELDA. Ext. Char. Pedes digitis posterioribus lobatis, extends mediis vix equantibus. Tibiaplumatoe. Rostrum mediocre, baso ad apicem angustatum. Lamella parte omnino lineares, versus media rostri posita?. Cauda maribus elongata. Axat. Char. Trachea tubula inferiore parte tuberculosa a posteriore membrami inferior bulbosa, partim ossea, partim membrinacea. Ext. Char. Feet with tbe posterior toes lobated, the outer one scarcely eq
. A monograph on the anatidae, or duck tribe. aMbafA HABKLOA & TtUCUBA. 2 Thorite tfuAat owe 65 [ GENUS IX. HARELDA. Ext. Char. Pedes digitis posterioribus lobatis, extends mediis vix equantibus. Tibiaplumatoe. Rostrum mediocre, baso ad apicem angustatum. Lamella parte omnino lineares, versus media rostri posita?. Cauda maribus elongata. Axat. Char. Trachea tubula inferiore parte tuberculosa a posteriore membrami inferior bulbosa, partim ossea, partim membrinacea. Ext. Char. Feet with tbe posterior toes lobated, the outer one scarcely equal to themiddle. Thighs feathered. Bill moderate, narrowed from the base to the apex. Lamellaaltogether obliterated at the points. Nostrils linear, situated about the middle of the Bill. Tailin the male elongated. Anat. Char. Trachea on the lower part posteriorly covered with a membrane. Theinferior Larynx bulbous, partly osseous, partly membranaceous. Harelda. Ray. Leach. Ax as. Linn. QC ERQUEDLLA. BrisS. &.ANGULA. Flem. Type. -Harelda Glacialis. This genus having been instituted by Ray. requires no alteration.
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
