DISPOSITIO METHODICA GENERUM 



QUIBUS MOLLUSCA TERR.ESTRIA ET FLUVIATILIA 

 1N COLLECTIONE NOSTRA ADDICUNTUR (*) 



I. D i v i s. 



G E P H A L A Lam. 



(A. GEOCHARES) 



Cl. I. GASTEROPODA Cuv. 



l.° Okd. GAST. PULMONATA TERRESTKIA Cuv. 



i. a Fam, LIMACOIDEA. 

 i Arion Fer. a Limax Fer. 3 Testacella Lam. 



a. a Fam. helicoidea. 

 4 Helicophanta Fer. j 5 Vitrina Drap.; 6 Helix Lam. 



3. a Fam. COCHLOIDEA. 

 7 Achatina Lam. 8 Polyphemus Montf. g Columna Perry. 

 io Bulimus Lam. n Pupa Lam. n | Vertigo Miill. 

 12 Chondrus Cuv. i3 Clausilia Drap. 14 Succine^ Drap. 



a.° obd. PECTINIBRANCHIATA Cuv. 



1 a .Fam. troohoidea Chp. 

 i5 Pomatias Stud. 16 Cyclostoma Law. 16 | Chirostoma ZV0&. 



17 Acmea Hartm. 



(B. GEOHYDROBIA) 



i.° Ord. GAST. PULMON. AQUATICA Cuv. 



i. a Fam. AURICULOIDEA. 



18 Carychium Pfeiff 19 Auricula Lam. 



(C. ENHYDROBIA) 



2. a Fam. LIMNOIDEA. 

 ao Planorbis Brug. 21 Limneus Drap. 22 Physa Drap. 

 a3 Scarabus Montf. 



a.° oi?x>. PECTINIBRANCHIATA Cup. 



i. a Fam. trochoidea. Cuv. 

 24 Valvata Mull. a5 Ampullaria Zam. a6 Paludina Zam. 

 27 Melania Lam. 28 Melanopsis Fer. 29 Pirena Lam. 

 3o Pyrgnla iVo£. 3i Neritina Lam. 



