Does not believe any organic being is evidence of design; refers GEM to the last pages of Variation for his reasons. Even if no organism shows evidence of design, this does not preclude faith in the existence of a loving creator; evidence of such a creator must be looked for outside the limits of physical science.

Thanks him for the volume on the philosophy of medicine,

and asks him to convey to the Scuola Italica thanks for the great honour they have done him.