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tudes sur les mollusques terrestres et fluviatales du Mexique et du Guatemala Pl. LXVIII . Expd scientifiaue du Meaxaue Zooloc ie Impartie PL riwul del el Ut Imprimerie Nationale An do nia Pl LXVIII Illustration biodiversitylibrary org title Crosse Hippolyte Fischer Paul Henri MilneEdwards Biodiversity Heritage Library