Thanks CD for photograph – sends one in return,

questions CD on his religious views.

On ocelli and relation to sexual selection;

instance of rejection of male by female butterfly.

Reports that he has not received JSBS’s book on histology and physiology [Sanderson ed., Handbook for the physiological laboratory (1873)], which Edward Emmanuel Klein told CD’s son was to be sent. He asks for information so that he may thank Dr Klein. [Klein and Michael Foster were co-authors with JSBS.]

He has returned the Gazette to Dr T. L. Brunton. [See 8825.]

Pleased CD enjoyed his book [Outdoor papers (1871)].

Rejoices at CD’s kindly feelings toward the coloured race.

The Index is in financial trouble due to F. E. Abbot’s unworldliness.

Agassiz is setting up a summer school for natural history off the Massachusetts coast. His pupils develop more liberal scientific opinions than Agassiz’s.

Encloses some notes on expression.

Fears [CD’s] albumen theory will not work because albumen is coagulated and filtered out in making extracts of belladonna, hyoscyamine, and colchicine [alkaloid poisons].

Has investigated whether it makes a difference if extracts [of alkaloid poisons] are made from leaves, seeds, or roots.