VI PRAEFATIO. 



Et iterum monere necesse est, Monographiam meam non esse 

 systema naturale Stylommatophororum, sed potius methodum 

 conchologicam, inveniendis et determinandis speciebus incognitis 

 vel dubiis quantum fieri poterat, adaptalam. 



Praeterea, Bone Lector, conferas, quae in Praefationibus 

 1848 et 1853 proposui. 



Cassellae, mense Novembri 1858. 



li. Pfeiffer, Dr. 



Operum citatornm enumeratio continnata. 



Adams, Heiiry and Arthur, The genera of recent Mollusca 

 arranged according to their organization. London. Part XIX 

 Jan. 1855. p. 100 — 124. pl. 73 — 76: XX. Febr. 1855 

 p. 125-156. pl. 77 — 80; XXL Apr. 1855. p. 157 — 188 

 XXIL Juu. 1855. p. 189 — 220; XXIII. Sept. 1855. p. 221—227 



Albers, J. Chr., Malacographia Maderensis, slve enumeratio Mollu- 

 scorum quae in insulis Maderae et Portus Sancti aut viva ex- 

 stant aut fossiha reperiuntur. Cum 17 tab. Berol. 1854. 



Annals of the Lyceum of natural history of New-York. 1854 — 1857. 



Betta, Ed. Cav. de, e Martinati, P., Catalogo dei MoUuschi terrestri 

 e fluviatih viventi nelle provincie Venete. Verona 1855. 



Bielz, E. A., Beitrag zur Kenntn. der siebenblirg. Land- u. Sliss- 

 wassermollusken. Aus: Verhandl. u. Mittheil. d. siebeub. Vereins 

 f. Naturwiss. IV. 1853. 



Malakologische Notizen aus Siebenbiirgen. Aus: Verhandl. u. 



Mittheil. d. sieb. Ver. 1856. Nr. 12. 



Binney, Amos, The terrestrial air-breathing Molhisks of tlie United 

 States and the adjacent territories of North America. Ediled by 

 Aug. A. Gould. L II. 1851. III. 1857. 



Binney, W. G. , Descriptions of terrestrial shells of Nortli America, 

 by Thomas Say. Philad. 1856. 



Bourguignat, J. R., Testacea novissima, quae CI. de Saulcy in 

 itinere per orientem annis 1850 et 1851 collegit. Lutet. 1852. 

 (Voyage autour de la Mer Morte et dans les terres bibliques, 

 execute par F. de Saulcy. Atlas. Quinzieme hvraison.) 



Catalogue raisonne des MoIIusques terrestres et fluviatiles 



recueillis par M. F. de Saulcy pendant son voyage en Orient. 

 Paris 1853. 



