Asks for information about Anacharis.

Informs CD of two distinct forms of Plantago lanceolata.

Thanks WALM for having sent interesting publications, especially the one on relation of structure of man to lower animals,

and just a few days since, on protuberances on bird skulls. WALM’s facts on the latter subject have an important bearing on the acquisition of sexual characters. CD is pleased that the influence of sexual selection is admitted.

WM converted to belief in evolution by experience of museum work.

Describes protective coloration of coots’ eggs.

Comments on WM’s paper about ostrich feathers.

Discusses feather as case of evolutionary atavism.

Will soon publish on siliceous sponges

and the skin of caterpillars.

Doubts ostrich descended from reptiles. Its ancestors true birds. Of course, all birds descended from reptiles. Compares foetus of birds to that of reptiles.