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BucKiAND, The Rev. William, D.D., F.R.S., Vice-President of the Geological Society. 
Carr, Captain J. Stanley, Duchy of Lauenburg. 
CoLMAS, Henry, Agricultural Commissioner of the State of Massachusetts. 
Daubeny, Charles, M.D., F.R.S., Professor of Rural Economy, University of Oxford. 
De la Beche, Sir Henry Thomas, F.R.S., Director of the Ordnance Geological Survey. 
Everett, The Hon. Henry, United States' Minister. 
Henslow, The Rev. J. S., F.H.S., Professor of Botany, University of Cambridge. 
Johnston, James F. W., F.R.S., Reader in Chemistry, University of Durham. 
LiEBiG, Dr. Justus, University of Giessen. 
MuRCHisoN, Roderick Impey, F.R.S., President of the Geological Society. 
Playfair, Dr. Lyon, Royal Institution, Manchester. 
Solly, Edward, Jun., Horticultural Society of London. 
SpBENGEL, Dr. Charles, Prussia. 
Stevenson, The Hon. Andrew, Washington. 
Van de Weyer, M. Sylvian, Belgian Minister. 
