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Keywords from Image Description:
tudes sur les mollusques terrestres et fluviatales du Mexique et du Guatemala Pl. LXIV . xpd scntlfique du Mea jue if Zooloqie partie SU QCC ' Arnoul del eu llth Imprimerie Nationale Sphrinm Cyrena Unio Aiiodont Pl LXIV Illustration biodiversitylibrary org title Crosse Hippolyte Fischer Paul Henri MilneEdwards