TO 



WILLIAM YARRELL, ESQ., F.L .8., F.Z.S., 



WHOSE SCIENTIFIC WORKS ON ZOOLOGY 

 PLACE HIM IN THE FIRST RANK OF NATURALISTS; 



AND, MOREOVER, 



WHOSE UNOSTENTATIOUS KINDNESS IN CONSULTING THE FEELINGS 



AND ADVANCING THE INTERESTS OF OTHERS 



IS- RARELY EQUALLED, 



I)tsi "Folium i$ inscribe*, 



BY HIS SINCERE FRIEND AND ADMIRER, 



THE AUTHOR. 



