Title page ‘Botanical Gardens have been formed at Prince of Wales Island and Singapore. An indulgence in respect to allowances granted to Dr. Wallich during his absence from the Presidency [restated?] and his zeal and talents eulogised. Mr. John Forbes Royle has been appointed to the charge of ...
Mission of Captain John Henry Crisp to the West Coast of Sumatra to ascertain the length of the pendulum at the Equator (includes a sketch map of the West Coast of Sumatra at the Equator, p 141, and drawings of instruments and equipment, pp 143-49).