XXI.—Descriptions of twenty new species of terrestrial and fluviatile mollusca from South Africa

James Cosmo Melvill
John Henry Ponsonby

Published in Annals And Magazine of Natural History, in 1893, in volume 12, issue 68, pages 103-112

Date published:1893

DOI: 10.1080/00222939308677590
BHL: 24343863
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