Sends two waste sheets of MS of Descent; Miss F can cut out any portion she likes.

Thanks for part nine of WHE’s [Butterflies of North America (1868–72)].

Comments on trimorphism in Papilio ajax.

Asks whether GC knows who gave CD a scolding in last Edinburgh Review [Apr 1873].

Comments on CHB’s book [Experimental researches on catarrhus aestivus – hay-fever or hay-asthma (1873)].

Explains that some pollens are wind-blown while others depend on insects for dispersal. Effect of pollen on skin and mucous membrane astonishing. Sends a book [M. Wyman, Autumnal catarrh (1872)].

Returns insectivorous plants to Kew, with questions about their range. Most species seem to have remarkably confined ranges.

Asks for a Bengal Aldrovanda leaf so that he can see whether it differs from the German species.

Roridula interested him extremely.

Thanks for KHvS’s book [La province de Smyrne (1873)].

Discusses possible meeting.

Congratulates correspondent on appointment to important post.

Leaving tomorrow for visit [with William Darwin].

Cannot express opinion on RT’s views on earthquakes. To do good work on that subject a man must be deeply versed in wave motions.