Letter, from John Stevens Henslow to Sir John Herschel, dated at Mitcham, Hadley, Sufk Autograph letter signed by sender. Well-wishers of the Ipswich Museum hope to raise a fund for a lithograph portrait of G. Ransome; wonders if John Frederick William Herschel is interested in becoming a subscriber. Richard Owen is to deliver a lecture at the anniversary meeting next month. 10 November 1849