TO 



The Rev. WILLIAM KIRBY, M.A. F.R.S. L.S. &c. 

 THIS VOLUME 



IS RESPECTFULLY INSCRIBED, 



AS A GRATEFUL ACKNOWLEDGEMENT 



OF MANY OBLIGATIONS, 



AND IN TESTIiMONY OF THE SINCERE REGARD OF 



THE AUTHOR. 



Loiulon, Jan. I, 1824. 



u AUu i. 



