TO THE RIGHT HONOURABLE THE EARL OF DERBY, PRESIDENT, THE NOBLEMEN AND GENTLEMEN FORMING THE COUNCIL OF THE ZOOLOGICAL SOCIETY OF LONDON. My Lords and Gentlemen, FAVOURED by your kind permission, it ts with feelings of mingled gratitude and pleasure, natural to one so long connected with the Society over which you preside, that I dedicate to you this Work on “Tur Brirpos or Evrorn,’ and I have the honour to subscribe myself, My Lords and Gentlemen, Your most obedient and obliged Servant, JOHN GOULD. a ce Tan ani Ss. ee