. Birds: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings. Birds; Birds. THE EXTERNAL STEUCTURE OF BIRDS. 163 may be entirely reticulate, llarely the tarsus may be " greaved " (continuously sheathed) in front and yet scutelli plantar. The upper surface, or dorsum, of all the toesâcalled the acropodiumâis almost always scutellate. Their under surface is in general minutely marked, but may develop small wart-like structuresâ'â 'pads''' or tnJariâas may be seen in Hawks. Claws.âEvery digit of a bird's foot is provided at its end with a horny claw, m

. Birds: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings. Birds; Birds. THE EXTERNAL STEUCTURE OF BIRDS. 163 may be entirely reticulate, llarely the tarsus may be " greaved " (continuously sheathed) in front and yet scutelli plantar. The upper surface, or dorsum, of all the toesâcalled the acropodiumâis almost always scutellate. Their under surface is in general minutely marked, but may develop small wart-like structuresâ'â 'pads''' or tnJariâas may be seen in Hawks. Claws.âEvery digit of a bird's foot is provided at its end with a horny claw, m Stock Photo
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. Birds: the elements of ornithology ; with 174 illustrations whereof 140 are original drawings. Birds; Birds. THE EXTERNAL STEUCTURE OF BIRDS. 163 may be entirely reticulate, llarely the tarsus may be " greaved " (continuously sheathed) in front and yet scutelli plantar. The upper surface, or dorsum, of all the toesâcalled the acropodiumâis almost always scutellate. Their under surface is in general minutely marked, but may develop small wart-like structuresâ'â 'pads''' or tnJariâas may be seen in Hawks. Claws.âEvery digit of a bird's foot is provided at its end with a horny claw, more or less curved and pointed at its extremity. Fig. 145.. tr^-. 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 work.. Mivart, St. George Jackson, 1827-1900. London : R. H. Porter