IV

DEDICATION.

devotion of your time and your money to the ad-vancement of Natural Science , and the deep lovewith which you are evidently inspired for the worksof Creation , have impressed me with a strong respectfor your character, and singled you out as the in-dividual with whose name I should particularly de-sire to associate this Work.

I would therefore beg of you to accept of itsdedication, and believe in

The high consideration and esteem ofYours most sincerely,

THE AUTHOR.