Copy letter from Robert William Frederick Harrison to M le Prof L Joubin, Secretaire General du Cogres, Institut Oceanographique, 195 Rus Saint Jacques, Paris 'The invitation for the Royal Society to be represented at the International Zoological Congress to be held at Monaco from March 25 to 30 next has been considered by the President and Council, and I have the pleasure to inform you that they have nominated Peter Chalmers Mitchell, MA, D.Sc, FRS, Secretary of the Zoological Society of London, as their delegate to the Congress.' 8 January 1913