...Tristram, whose geography is of the ornithological or bird's- eye order... 
Richard F. Burton 「Two Trips to Gorilla Land and the Cataracts of the Congo Volume 2」
...On the Ornithological Fauna of Wisconsin...
Frank M. Chapman 「Color Key to North American Birds」
...Grabermade ornithological studies in the vicinity of Tampico and alsoreached the western edge of the Laguna Madre de Tamaulipas...
Robert K Selander 「Vertebrates from the Barrier Island of Tamaulipas, México」
... And here the ordinary Londoner has got to the end of his ornithological list--that is to say, his winter list...
W. H. Hudson 「Birds in Town and Village」
...As a matter of fact, I have dealt far too lenientlywith the peccadillos of the ornithological systematist...
Douglas Dewar 「Birds of the Indian Hills」
...
Bulletin of the Nuttall Ornithological Club, vol...
Bradford Torrey 「The Foot-path Way」
...The ornithological collectioncontains in the neighborhood of six thousand skins, and representssome 600 different species, a number of them of course new to science...
James Chapin 「Descriptions of Three New Birds from the Belgian Congo」
...In ornithological works it is described underthe former of these names...
Rev. C. A. Johns 「British Birds in their Haunts」
...An ornithological lecture...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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