DESCRIPTION OP TWO NEW SPECIES OF HELICOID LAND-SHELLS FROM GERMAN NEW GUINEA
Ponsonby, J H
Article
1907-03-01
Proceedings of the Malacological Society of London
7
224--225
BioStor
English
London, Dulau,
BioStor: https://biostor.org/reference/193637
Public domain. The BHL considers that this work is no longer under copyright protection.
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