The formation of vegetable mould, through the action of worms, with observations on their habits
Darwin, Charles,
1809-1882
creator
text
book
New York
D. Appleton
1888
1888
ENG
Earthworms
Humus
Soils
QL386 .D2 1888
https://www.biodiversitylibrary.org/bibliography/55119
4071034
UU