TO 



CHARLES KONIG, ESQ. 



KEEPER OF THE NATURAL HISTORY DEPARTMENT IN 



THE BRITISH MUSEUM, F.R.S. F.L.S., ME31BER OF 



THE ROYAL ACADEMIES OF MUNICH, 



ST. PETERSBURGH, &C. 



MOST RESPECTFULLY AND GRATEFULLY 



INSCRIBED, 



BY HIS OBEDIENT SERVANT, 



THE AUTHOR. 



London. IStli July, 1338. 





