. A monograph on the anatidae, or duck tribe. r. Pedes digitis posterioribus lobatis, extends inter-mediis vix plumosae. Rostrum validum. latum ; lateribus parallellibus ; et ungue magna parva?, ovales. in medio rostri culminem versus positae. Cauda rotundata, rectricibus brevibus et subrigidis mstmcta. Aim breves, remigibus ad apices incurvatis. Anat. Char. Ignoti. Ext. Char. Feet with the posterior toes lobated, the outer ones scarcely equal to themiddle. Thighs feathered. Bill strong, broad ; the sides parallel, and armed with a large small, oval


. A monograph on the anatidae, or duck tribe. r. Pedes digitis posterioribus lobatis, extends inter-mediis vix plumosae. Rostrum validum. latum ; lateribus parallellibus ; et ungue magna parva?, ovales. in medio rostri culminem versus positae. Cauda rotundata, rectricibus brevibus et subrigidis mstmcta. Aim breves, remigibus ad apices incurvatis. Anat. Char. Ignoti. Ext. Char. Feet with the posterior toes lobated, the outer ones scarcely equal to themiddle. Thighs feathered. Bill strong, broad ; the sides parallel, and armed with a large small, oval, placed in the middle of the bill towards the cuhnen. Tail rounded, furnishedwith short and slightly rigid feathers. Wings short, with the quills incurved at the apex. Anat. Char. Unknown. Thalassornis nobis. Type. Thalassornis leueonotus. Affinity. The above genus appears to form a connecting link between the genus < langulaand Biziura, the structure of the tail being nearly that of the former genus, while the bill is thaiof the 71 [


Size: 2238px × 1117px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorlearedwa, bookcentury1800, bookdecade1830, bookyear1838