MY BELOVED AND REVERED FRIENDS 



SIR CHARLES and LADY LYELL 



TO WHOM I OWE MORE THAN I CAN EVER EXPRESS 



I ^thicuit l^b mg ,|irst gook 



TRUSTING THAT IT MAY HELP 



TO DEVELOPE IN THOSE WHO READ IT THAT 



EARNEST AND TRUTH-SEEKING SPIRIT IN THE STUDY OF GOD'S 



WORKS AND LAWS WHICH WAS THE GUIDING 



PRINCIPLE OF THEIR LIVES 



