Crossbill skull and jaw anatomy from Yarrell History of British Birds 1843 - Explanation of Figs 1, 2, 3, Alexander Fussell
Crossbill skull and jaw anatomy from yarrell's history of british birds 1843 - explanation of figs 1, 2, 3. Date: 1843.
Author: William Yarrell (author); Alexander Fussell (drawing); John Thompson (engraving)Source: https://commons.wikimedia.org/Loading...