Summary

Thanks Charles Langstaff for his observations relating to expression. Has requested observations on the platysma. Discusses the actions of other facial muscles, especially during crying. [Encloses 5828.]

Summary

If CD is not convinced by his notes on sterility, ARW has little doubt that he is wrong. In fact he was only half-convinced by his own arguments.

Modifies his first proposition [a species varies occasionally in two directions, but owing to free inter-crossing the variations never increase] and further discusses the subject.

Encloses Berthold Seemann’s notes on flora of the Hawaiian Islands. Presence of European alpine species in Hawaiian volcanoes is a "hard nut" for geographical distribution [but see ARW’s Island life (1880), p. 323].

Summary

Difference between sexes of Ibis rubra; change in plumage.

Summary

Reports on Prof. Cornalia’s observations on the proportion of sexes in bees, and in healthy and sick silk moths, in nature and under domestication.

Summary

He never intended "A Lift for Darwin" as a serious title but as a way of arranging it. Lyell’s suggestion seems best to him: "Facts and Arguments For Darwin".

Summary

Notes the differences in seed production between cross- and self-fertilized flowers of Victoria regia.