"P7M62 



To PRANK CEISP, 



TREASURER OF THE LINNEAN SOCIETY, 



THIS WORK IS DEDICATED 



AS A TESTIMONY TO THE LONG-CONTINUED 



ZEAL AND MUNIFICENCE 



WITH WHICH HE HAS FURTHERED THE CAUSE OF SCIENCE, 



AS WELL AS A 



SMALL TRIBUTE OF PRIVATE FRIENDSHIP AND GRATITUDE 



FOR THE UNVARYING KINDNESS 



SHOWN BY HIM TO THE 



AUTHOR 

 OF THE PRESENT WORE. 



