9 
Enumeratio operum citatorum. 
Albevs, J. C., Die Heliceen nach natiirlicher Verwandtschaft systematisch geordnet. 1850. 
Bcck, H., Index Molluscorum praesentis aevi Musei Principis Christiani Frederici. Hafniae 1837. 
Bowdich, E., Excursion in Madera and Porto santo, during the autumn of 1823. London 1825. 
Brandt und Ratseburg, Medicinische Zoologie. Vol. 11. 1833. 
Bruguiere, in Encyclopedie methodique. Tom. 1. 1789. 
Charpcnlier, J. de, Essay d’une classification naturelle des Clausilies, in: Petit de Ia Saussaye .lournal 
de Conchyliologie. 1852. Tome 3. 
Deshayes, G. P., in: Encyclopedie methodique. Tome II. 1830. 
— — • conf. Lamarck animaux sans vertebres. 
— — — Ferussac hist. nat. des mollusques. 
Draparnaud, J. Ph. R., Histoire naturelle des mollusques terrestres et fluviatiles de la France. 1804. 
Faure-Biguet, in : Bulletin de la societe philomalique Tome III. 
Ferussac, D’Audebard de, Histoire naturelle des mollusques terrestres et fluviatiles. Continue par Deshayes. 
— — in: Bulletin zoologique. 1835. sect. II. 
Fleming, J. A., History of British animals. Edinburgh 1828. 
Gould, A. A., in: Proceedings of Boston society of nalural history. 1846. 
Graels, M. P., Catalogo de los Moluscos terrestres y de agua dulee observados en Espana. Madrid 1846. 
Gray, J. Ed., Nomenclalure of molluscous animals in Ihe collection of the British museum. P. I. Cyclo- 
phoridae. 1 850. 
Gronovius, L. T., Zoophylacium. Vol. II. 1783. 
Kiister, C. H., Genus Bulimus, Pupa, Clausilia in: Martini und Chemnitz systematisches Conchylien- 
Cabinet. Edit. II. 
Lamarck, J. B. P. A. de, IIi,stoire naturelle des animaux sans vertebres. Edit, par Deshayes. Tome VH. 
VIII. 1838. . 
Linnacus, C., Systema naturae. Edit. XII. 1767. 
— Fauna suecica. 1771. 
Lnive, R. Th., Primitiae faunae et florae .Maderae et Portus sancti, in: Transactions of the Cambridge 
Philosophical Society. Vol. IV. p. I. 1831. 
— Synopsis diagnostica sive species quaedam novae molluscorum terrestrium in Insulis maderen- 
sibus detectae, notis diagnosticis succinctis breviter descriptae. In: Annals and Magazine of 
natural history. February and April 1852. 
— Description of the animal to which belongs the shell called by the Baron de Ferussac Helico- 
limax Lamarckii, in: Transactions of the Cambridge Philosophical Society. 1829. 
Menke, K. Th., und L. Pfei/fer, Zeitschrift fiir Malakozoologie. 1845 und 1852. 
Mulier, 0. F., Historia Vermium. 11. 1771. 
D’Orbigny, Alcide, Mollusques des Canaries in: Barker Webb et Berthelot histoire naturelle des isles 
Canaries. 1 839. 
2 
