in.] ORIGIN OF TASTE FOE SCIENCE. 173 



fessor .... of at whose side I visited 



the poor in the lanes of . . . . , day and night. 

 First began to work and concentrate energies 

 to one branch set. 21, when appointed . . . ." 

 (a, d, e, g) 



(18) "They have been, I believe, nearly in an 

 equal degree the mixed result of a natural bias 

 and education, and were determined by profes- 

 sional study, when a love of scientific knowledge 

 for its own sake first took possession of my 

 mind." (a, d) 



(19) " How far innate, and how far acquired 

 and developed from my early youth, I cannot 

 say. My love for animals of all kinds was very 

 strong, and to gratify it I overcame every ob- 

 stacle put in my way at home, when I was a 

 boy. I trace the origin of my interest in science 

 to the earliest impressions of my childhood, all 

 of which, so far as I recollect them, are con- 

 nected with my father, and the various ani- 

 mals he brought me as pets. They were not 

 largely determined by events after manhood. 

 I should have been an observer of animal life 



