Studies on The Carnivorous Slugs of South Africa, INCLUDING A Monograph on the Genus Apera, and a Discussion on the Phylogeny of the Aperidæ, Testacellidæ, and other Agnathous Pulmonata
Published in Annals of the Natal Museum, in 1915, in volume 3, issue 2, pages 107-267
Date published:1915-10