3>3 



rZT/ovoe^ THE FORMATION 



2oo(v 



OF 



VEGETABLE MOULD, 



THROUGH THE 



AOTIOlsr OF wo EMS, 



OBSERVATIONS ON THEIR HABITS. 



(jJLi.iilAU kj¥ 

 AMERICSAN ETHNOLOGY 



j 6025 



CHARLES DARWIN, Ll7lJ;,'F:'^''.'^aiL_ 



WITH IL L US TRA TH 





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^^riO^l MUSiVa 



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NEW YORK: 

 D. APPLETOISr & COMPANY, 



1, 3, AND 5 BOND STREEl^^^ricQJ^I^Ikr 

 189 0, ^^^ 



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