III. Systematic studies on the non-marine Mollusca of the Indo-Australian archipelago. Critical revision of the Javanese Pulmonate land-snails of the families Ellobiidae to Limacidae, with an appendix on Helicarionidae.

Atopos ouwensi Collinge, 1908 (Slugs), Atopos Simroth, 1891 (Slugs), Filicaulis (Slugs), Filicaulis bleekeri (Keferstein, 1865) (Slugs), Laevicaulis alte (Ferussac, 1821) (Slugs), Laevicaulis Simroth, 1913 (Slugs), Meghimatium bilineatum (Benson 1842) (Slugs), Meghimatium striatum van Hasselt, 1824 (Slugs), Microparmarion austeni Simroth, 1893 (Slugs), Microparmarion strubelli Simroth, 1894 (Slugs), Semperula maculata (Templeton, 1858) (Slugs), Semperula wallacei (Issel, 1874) (Slugs), Valiguna siamensis (Martens, 1867) (Slugs)