. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fio- Fig. 1.—Right lateral view of the skull of Dendrocygna autnmnalis, showing complete bony ring surrounding orbit. Pterygoids lost. From a photograph by the author. § nat. size. Fig. 2.—Right lateral view of part of trunk-skeleton of same specimen. ^ nat. size. Tree-Ducks are placed between the Swans and the Geese, as in the ' Check-list.' They have, as I have just said, some peculiar characters about them, and of these one of the most interesting is the fact that they
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fio- Fig. 1.—Right lateral view of the skull of Dendrocygna autnmnalis, showing complete bony ring surrounding orbit. Pterygoids lost. From a photograph by the author. § nat. size. Fig. 2.—Right lateral view of part of trunk-skeleton of same specimen. ^ nat. size. Tree-Ducks are placed between the Swans and the Geese, as in the ' Check-list.' They have, as I have just said, some peculiar characters about them, and of these one of the most interesting is the fact that they have complete bony rings surrounding the orbits, as is the case in several genera of parrots and some other birds. So far as I am aware it is the only genus of ducks that presents this character—indeed, the only anserine bird that has it. Coming to the Cranes and Rails we meet with an interesting. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
