1. The process of copulation in Eutyphaeus waltoni Mich;BAHL K. N.;Quart. J. micr. Sci.,1927
2. A new African earthworm;BAYLIS H. A.;Ann. Mag. nat. Hist. (8),1915
3. A monograph of the order of Oligochaeta,
4. Notes on two Acanthodriliod carthworms from New Zealand;BENHAM W. B.;Quart. J. micr. Sci.,1892