Letter, from William Henry Harvey to Sir John Herschel, dated at Ludgate Hill Autograph letter signed by sender. Must have received a long rambling letter written in February; hopes he will ignore it as he was suffering from a fever at the time. Returned on leave of absence for 12 months. Has introduced J. A. Wahlberg to Col. John Bell. P. H. Polemann died in April. 17 June 1839