in.] ORIGIN OF TASTE FOE SCIENCE. 177 



consequence from an early intimacy with Pro- 

 fessor . . . , whose pupil and assistant I was. I 

 had a fondness for science before, but the ne- 

 cessity for accurate and rigid observation then 

 first dawned upon me. Subsequent events were 

 going to .... [abroad], and appointments in 

 .... [a foreign country, where I was much 

 detained indoors that] compelled me to take to 

 the microscope and study of the lower orders 

 of plants and animals, many of which I could 

 grow in my own room." (a, c, g) 



(5) " As a youth, I followed, of my own free 

 will, mineralogy, chemistry, anatomy, and me- 

 chanics, but chiefly chemistry. My tastes were 

 certainly not hereditary. They were directed to 

 botany purely through accidental circumstances 

 [which led to a prolonged residence in an imper- 

 fectly civilized country]. I examined its plants, 

 then wholly unknown to Europeans, but was at 

 that time wholly ignorant of the very elements of 

 botany. Was subsequently encouraged by ... 

 [eminent botanists of the day] ; went to and 

 from England and made extensive collections, 



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