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Keywords from Image Description:
Radix natalensis shell . Drawing of an aprtural view od the shell of Radix natalensis synonym Limnaea caillaudi Bourguignat Histoire malacogie de l'abyssinie Annales Des Sciences Naturelles Zoologie bnf fr bnf fr bnf fr Plate fig tienne Alexandre Arnould Locard PDold Radix natalensis Arnould Locard Annales des sciences