Returns two volumes of Felix Holt [George Eliot (1866)]

and the Coddington [lens].

John Smith will send Drosera.

Nation reports that Louis Agassiz holds that the Amazon Valley was formed since the glacial epoch.

Comments on sheet of EH’s Generelle Morphologie [1866]. In emphasising divergence of character EH shows his clear understanding of CD’s views. It was years before CD saw necessity of divergence.

Interested in Carl Claus [Copepodenfauna von Nizza (1866)].