Working at Cirripedes. Published Monographs of Recent and Fossil Lepadidae.
1852.
Working at Cirripedes.
1853.
November 30th: "Royal Medal given to me."
1854.
Published Monographs on Recent and on Fossil Balanidae and Verrucidae.
September 9th: Finished packing up all my Cirripedes. "Began sorting notes for Species Theory."
1855.
March-April: Experiments on the effect of salt water on seeds. Papers on Icebergs and on Vitality of Seeds.