2 Pages in Charles Darwin's Library associated with "fauna - gull"

Beyträge zur Anthropologie und allgemeinen Naturgeschichte
By: Rudolphi, Carl Asmund.
Publication info: Berlin, Haude & Speuer, 1812
Pages: Page 116
Lake Superior: its character, vegetation, and animals, compared with those of other similar regions
By: Agassiz, Louis,
Publication info: Boston, Gould, Kendall & Lincoln, 1850
Pages: Page 194