Sends a Corydalis.

Hermann Crüger’s paper [see 4394] splendid, but he has made a mess of propagating Cinchona in Trinidad.

JDH’s opinion of Germans.

JDH thanks his Uncle, Reverend John Gunn, for a copy of his work: GEOLOGY OF NORFOLK. JDH sends Gunn Sir Edward Frankland's hypothesis on the glacial epoch. [Leonard] Horner is 80 & dying. JDH saw [Charles] Lyell, who was in shock about the bone caves in Borneo. Mentions subscriptions in support of Bishop [John William] Colenso. JDH's Father William Jackson Hooker is well. JDH is going to [Sir Joseph] Prestwitch's lecture on flint implements. Asks when Gunn is coming to London, suggests he attends upcoming Royal Society parties. Discusses: latest additions to his own & Francis 'Frank' Darwin's collections of Wedgewood pottery; a medallion of William Gifford 'Giffy' Palgrave made by [Thomas] Woolner; & [Sir Roderick Impey] Murchison's butter boats.