AMPULLAllIID^. 13 



Sub-Genus SAULEA, Gray. 

 Proc. ZooL Soc. 1867, type Helix vitrea, Born. 



40. Ampullaria (Saulea) vitrea. 



Helix vitrea, Born, Index Mus. vindob. 1778. 

 4 Liberia; ex c. Dr. H. Dohrn. 



Genus MARISA, Gray. 



Phil. Mag., vol. 63, 1824, p. 274; = Ceratodes, Oruilding, Zool. Journ.III, 

 1828. 



1. Marisa cornu-arietis. 



Helix cornu-arietis, Linnceus, Syst. Nat. X 1758; Conch. Cab. II, 

 pi. XVIII, jig. 1, R. Parana. 



1 Loc. ? ; ex c. Dr. F. Stoliczka (labelled " Senegal ") 



2. Marisa ehiquitensis. 



Ampullaria chiquitensis, d' Orbigny, Toy. Amer. Merid. 1839, Chiquitos in 

 Bolivia, pi. 48, figs. 10-11. 



I Bolivia ; ex c. Prof. E. C. Stearns. 



var. (? M. rotula, Mous.) 

 1 N. Grenada ; ex c. G. Nevill, Esq. 



The last whorl does not increase in breadth near the peris- 

 tome, as in the typical form. 



Genus LANISTES, Montfort. 



Conch. Syst. 1810, p. 122, type Helix bolteniana, Chemnitz, not of Humpfrey, 

 Mus. Calonnianum, 1797, type Mytilus discors, Lin. [insufficiently de- 

 scribed']; sect . = Meladomus, Swainson, Treat. Malac. 1840, p. 340, type 

 Paludina olivacea, Sow. 



1. Lanistes boltenianus. 



Helix Bolteniana, Chemnitz, Conch. Cab. I, Vol. IX, 1786, p. 89 ; = Cyclo- 

 stoma carinatum, Olivier, T^oy. 1804 ; = Lanistes olivieri, Mtf. 1810; 

 Conch Cab. II, pi. 6, fig. 4. 



3 Locality ? ; ex c. As. Soc. Bengal. 



