Synthesized answer
The provided passages do not contain information about the evidence the author provides. The text only includes the title of the book, "Über das Organ der Seele" by Samuel Thomas von Soemmerring, and categorizes it under "Brain" with a page number of 110 [110].
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Über das Organ der Seele by Samuel Thomas von Soemmerring Categories: Brain Pages: 110