Schmidt, A. (1856). Die kritischen Gruppen der Europäischen Clausilien, I. Abtheilung. VI + 63 pp., 11 pls.; Leipzig (Costenoble).
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Schmidt, A.
1856
Die kritischen Gruppen der Europäischen Clausilien, I. Abtheilung.
VI + 63 pp., 11 pls.; Leipzig (Costenoble).
Publication
Publication date: 1857 on the title page. However, on page 63 Schmidt stated that it was already in press in June 1856. Rossmassler (Icon., 3 (3/4); Vorwort dated August 1856) already discussed the work of Schmidt in his introduction, and mentions on page 71 “in dem eben erschienenen Werke meines Freundes A. Schmidt über die kritischen Gruppen der Clausilien”. Mousson discussed the paper in Malakozoologische Blätter 4: 16-24 and closes his review with “Zürich, den 20. Januar 1857”.