16 IIELIX §. 1.2. 



p'. inliis non labiatae 

 * ecarinatae 



-J- spira convexa 



l.edentulae §. 69. Nr. 963 — 985. 



2. dentatae §• 70. — 986 — 997. 



ff spira plana vel concava . §.71. — 998 — 1016. 

 ** carinatae 



i edentulae §.72. — 1017-1034.. 



f-r dentatae §• 73. — 1035— 1030. 



IV. Peristomate angulatim reflexo, arctispirae. 



1 . Pervio-umbilicatae, 

 a. umbilico lato. 



«. Edentulae §. 74. — 1051-1050. 



/7. Lamellatae §• 75. — 1057—1061. 



y. Dentatae §• 76. — 1062 — 1070. 



h. umbilico mediocri §■ 77. — 1071 — 1083. 



2. Oblique et impervie umbilicatae . . . §. 78. — 1084-1088. 



3. Obtecte perforatae §• 79. — 1089 — 1096. 



V. Species dubiae vel sedis incertae. . . . §. 80. — 1097 — 1132. 



1. H. Falconari Reeve. 



T. profunde umbilicata, ovata, tenuis, vesicularis, pallide 

 brunnea , fasciis maculisque prope suturam saturatioribus ornata ; 

 spira parvula, obtusiuscula; anfr. 4 convexi, rapide accrescentes, 

 ultimus valde inflatus, minutissime granulatus, antice declivis, 

 circa umbilicum magnura infundibuliformem subcompressus ; 

 apertura lunato-oblonga, intus margaritacea ; perist. rectum, mar- 

 ginibus callo tenuissimo junctis, columellari valdc dilatato, reflexo. 

 — Diam. maj. 70, min. 54, alt. 44 milL (Mus. Cuming. ) 



HeUcophanta Falconeri Reeve mss. G^^ay in Proc. Zool. Soc. 1834. 

 p. 63. 

 — — Miill. synops. p. 3. 



Ilelix Falconari Reeve Conch. syst. IL t. 163. f. 4. 



— Fer. hist. t. 10 A. f. 1— 3. 



Eurycratera Falconeri Beck ind. p. 43. 

 Habitat in Nova Hollandia. 



§. 2.' 

 2. H. cornu giganteum Chemnitz. ']•, ^ 



T. perforata, tenuiuscula, minute et irregulariter oblique 

 sculpta . rugulosa , sub epidermide castanea vel olivacea, decidua 

 pallide rufescens ; spira vix elevata ; anfr. 4 rapidissime accrescen- 

 tes, ultimus permagnus, ad peripberiam costis nonnullis vix ele- 



