BY SIR DAVID BREWSTER, K. H.
A.M., LL.D., D.C.L., F.R.S., AND M.R.I.A.,
One of the Eight Associates of the Imperial Institute of France-Officer of the Legion of Honour-
Chevalier of the Prussian Order of Merit of Frederick the Great-Honorary or Corresponding
Member of the Academies of St. Petersburg, Vienna, Berlin, Turin, Copenhagen,
Stockholm, Munich, Göttingen, Brussels, Haerlem, Erlangen, Canton de
Vaud, Modena, Florence, Venice, Washington, New York, Boston,