TO 



SIR JAMES EDWARD SMITH, M.D. 



F. R. S. 



FUESIBENT 



OF 



THE LINNEAN SOCIETY, 



Sfc. Si'c. Sfc, 



THE FOLLOWING WORK 



IS INSCRIBED, 



WITH ESTEEM AND RESPECT, 



EV 

 HIS MOST OBEDIENT, 



HUMBLE SERVANT, 



