My dear W.

I have just despatched your Certificate to Geolog. Soc. signed by self, Prof Hughes of Cambridge, Huxley & Judd.—¹ I see on back of Certificate, admission fee ^£6^s6^.0— annual Subscription ^£2^.s6^.0— Composition (which I imagine does not include admission) 31^£"10^s"0^d.— You will hear in due time of your election, but as far as I remember the Certificate remains suspended for 3 meetings at intervals of a fortnight.—

The castings from Beaulieu proved very useful, as the greater number of particles of brick were plainly rounded; & now I have so many cases that I can hardly doubt that when same particle is often swallowed it undergoes much attrition.—²

Your most laborious observations at St. C. Hill & Teg Down have interested me greatly, & I have given them in abstract.³

George saw a case of ledges in Sussex on a steep slope, in which the ledges were parallel to slope of valley; & he remarked that if they had extended horizontally they would necessarily have been very short; & possibly animals walk & graze parallel to bed of valley so as to make each traverse longer.—⁴

I have got codicil to my will for Hacon,⁵ but must wait the chance till I can catch 2 men for witnesses.—

When shall you invest your mother’s 1000£?—⁶

We heard this morning from George, dated early on Monday from Dartmouth, saying that the steamer w^d soon be in;⁷ & that he sh^d then start & that it was a calm—

Best love to Sara⁸ | Ever yours affect | C. Darwin