by G. E. Gates
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Contributions on North American earthwor...
Notes on a California earthworm
On the earthworms of the Arnold Arboretu...
Contribution to a revision of the earthw...
New earthworms from China
Notes on American earthworms of the fami...
A revision of the "acaecate" earthworms ...
Notes on some species of Drawida and Phe...
The genus Pheretima in North America