CHAPTER XIII. 



DARWIN THE NATURALIST. 



Ambition of Darwin Future Work Decided upon Scientific 

 Friends Papers Read before Various Societies Experiments 

 with Earthworms Marriage of Darwin Methods of Work 

 Various Publications. 



ARWIN left England a 

 young man without ex- 

 perience, but with a lofty 

 ambition to attain by 

 hard, earnest work a po- 

 sition among the scien- 

 tists of the day. He 

 returned after an absence 

 of five years, possessed of 

 information on so great a 

 variety of subjects, that 

 he may be said to have 

 been at the early age of twenty-eight one of the 

 best-equipped naturalists of the age. Having fol- 

 lowed him around the world and watched the ear- 

 nestness with which he carried on his investigations 

 and his indefatigable industry, we may accord him at 

 once a position, not simply as a successful collector, 

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