. A monograph on the anatidae, or duck tribe. ANATIN^.] 38. GENUS X. CYANOPTERUS, Ext. Char. Pedes digitis posterioribus mediocribus, et non lobatis. Rostrum latins adapicem quam ad basin. Lamella paululum elongatae. Narcs rotundata1, magna?. Cauda vixelongata. Ala ptilis caeruleis. Anat. Char. Trachea tubulu infra glotidem expandente, tunc contractu, rursusqueexpandente, et contractu supra larynginem inferiorcm. Larynx inferior bulbo magno osseolateribus et antice tendente. Ext. Char. Feet with the posterior toes moderate, and not lobated. Bill broader at thetip than at the base. Lamcllce a l
. A monograph on the anatidae, or duck tribe. ANATIN^.] 38. GENUS X. CYANOPTERUS, Ext. Char. Pedes digitis posterioribus mediocribus, et non lobatis. Rostrum latins adapicem quam ad basin. Lamella paululum elongatae. Narcs rotundata1, magna?. Cauda vixelongata. Ala ptilis caeruleis. Anat. Char. Trachea tubulu infra glotidem expandente, tunc contractu, rursusqueexpandente, et contractu supra larynginem inferiorcm. Larynx inferior bulbo magno osseolateribus et antice tendente. Ext. Char. Feet with the posterior toes moderate, and not lobated. Bill broader at thetip than at the base. Lamcllce a little elongated. Nostrils rounded, large. Tail a little elongated. Anat. Char. Trachea with the tube below the glottis expanding, then contracted, andagain expanding, and contracted above the inferior larynx. The inferior Larynx with a largeosseous bulb extending below and on both sides. Anas. Linn. QUERQUEDULA. Jlriss. Cyanopterus nobis. Type. Cyanopterus Rafflesii. The above genus consists of that group commonly called the blue-winged teal; nor do wekno
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Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838
