Beddard, F. E. (1891). On the structure of two new genera of earthworms belonging to the Eudrilidae and some remarks on Nematodrilus. Quarterly Journal of Microscopical Science. 32: 235-278.
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Beddard, F. E.
1891
On the structure of two new genera of earthworms belonging to the Eudrilidae and some remarks on Nematodrilus.