JDH discusses his and others’ experiments on survival of seeds. Impressed with resistance of some seeds and rapid decomposition of others. He wonders about "vitality" in the abstract.

JDH recounts discussion at Royal Society over Günther’s paper on distribution and affinities of gigantic tortoises ["Description of the living and extinct races of gigantic land-tortoises, Parts III and IV", Proc. R. Soc. Lond. 25 (1876–7): 506–7]. Huxley suggests they are Miocene relics.

Royal Society will publish Frank’s Dipsacus paper [but see 10971 and 11073].

Thiselton-Dyer will review Cross and self-fertilisation.