in.] ORIGIN OF TASTE FOR SCIENCE. 161 



inviting me to fill the .... chair, gave my 

 work its bent ..... " (d, e) 



(9) " I can trace my interest in chemistry to 

 reading by accident a book upon it." (b) 



(10) " I did nothing, even 



till after leaving college ; nothing serious till 

 aet. 23. My pursuit of chemistry is entirely due 

 to circumstances occurring after manhood, and 

 in direct opposition to family influences." (z) 



(11) "To the opportunity afforded for study 

 of science at ... My tastes received no en- 

 couragement whatever from relations, my mother 

 excepted." (e, z) 



GEOLOGY. 



(1) "Decidedly innate as regards coins and 

 fossils. My father and an aunt collected coins 

 and geological specimens, and I have both coins 

 and specimens which have been in my pos- 

 session since I was 9 years old. Subsequently 

 my pursuits were influenced to some extent 

 by the discoveries in . . . . , but at that 



