6 Pages in Charles Darwin's Library associated with "mental states - passion"

The anatomy and philosophy of expression.
By: Bell, Charles.
Publication info: London :John Murray,1844.
Pages: Page 219
Elements of physiology.
By: Müller, Johannes. - Baly, W.
Publication info: London :Taylor & Walton,1838-1842.
Volume: v.2
Pages: Page 933
Naturgeschichte der Saeugethiere von Paraguay.
By: Rengger, Johann Rudolph.
Publication info: Basel :Schweighauser,1830.
Pages: Page 46
Wissenschaftliches System der Mimik und Physiognomik.
By: Piderit, T.
Publication info: Detmold :Klingenberg,1867.
Pages: Page 64 Page 65 Page 82