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tudes sur les mollusques terrestres et fluviatales du Mexique et du Guatemala Pl. LXXII . Expii scLenlifjue du lleMque ' Zoolvgie partie PI rnoul del et litA irapriinerie Nationale Eucalodium Biilimuliis Orhallcus Pl LXXII Illustration biodiversitylibrary org title Crosse Hippolyte Fischer Paul Henri MilneEdwards