JOHN EDWARD GRAY, ESQ., 



F.R.S., F.G.S., M.R.G.S., 



PRESIDENT OF THE BOTANICAL SOCIETY OF LONDON, 



KEEPER OF THE ZOOLOGICAL COLLECTION OF THE BRITISH MUSEUM, 

 ETC., ETC., 



ARE MOST RESPECTFULLY INSCRIBED, 



AS A HUMBLE THOUGH GRATEFUL ACKNOWLEDGMENT FOR MANY ACTS OF 



FRIENDSHIP AND KINDNESS RECEIVED AT HIS HANDS AND IN 



CONSIDERATION ALSO OF HIS HIGH ATTAINMENTS 



AS A NATURALIST, 



BY HIS LATE ASSISTANT IN THE BRITISH MUSEUM, 



THE EDITOR. 



