70 PALUDESTllINID.i:. 



Genus LITHOGLYPHUS. 



Lithoiihjphns, Ilartniaim, Sturm's Fauna, ]821, vi, Ilel't 5, p. oT. 

 Type, L. ehurneus, Meg. v. Mulilfeld ; Europe. 



Ramie. Europe ; India ; Tonkin. 



Shell imperforate, globular with short spire, solid, suture 

 lightly impressed; aperture large, subovate or nearly circular; 

 labrura simple; columellar margin callous; operculum horny, 

 paucispiral, with excentric nucleus. 



139. Lithoglyphus martahanensis, Theobald. 



Lithoqh/plms murtabanensis, Theobald, J. A. S. R. xxxix, 1870, 

 pt."2, p. 402, pi. 18, fig. 9; H. & T., C. I. pi. 81, tig. 10. 



Orir/inal description: — Testa globose conica, imperforata, solida, 

 virescente albida, translucente, fere la?vi, transversim exilissime 

 striata, spira parva, regulari, subobtusa ; anfi-actibus 44, celeriter 

 crescentibus, ultimo j longitudinalis ^quante, apertura elliptica, 

 antiee rotundata, postice angulata. Columella callosa, polita, 

 paulo dilatata, labro acuto leviter curvato, autice ad latus 

 eubtruncato. 



Alt. 4 mm. (fig. in Conch. Ind.). 



Hah. Martaban. 



Subfamily BITHYNIIN.^ [Bilhiniime emend.]. 



Animal with simple foot; nulula with several basal denticu- 

 latious ; penis bifid ; operculum calcareous, concentric. 

 Distribution. Europe ; Asia. 



Genus BITHYNIA. 



Bithynia, Ijeacli, iu Abel's "Narrative of Journey into Interior of 

 China," 1818, p. 362. 



Type, Helix tentacidata, Linnanis ; Europe. 

 Handle. Europe ; Asia. 



Shell small, ovately fusiform with more or less convex whorls ; 

 aperture oval; labrum continuous; operculum testaceous. 



140, Bithynia tentaculata (Linnceus). 



Helix tentaculata, Linuasus, Syst. Nat. ed. 10, 1758, p. 774. 

 JSeritajaculator, Miiller, Verui. Ilist. pt. 2, 1774, p. J85. 

 Turho nucleus, Da Costa, Brit. Couch. 1778, p. 91, pi. 5, fig. 12. 

 Bulimus tentaculatus, I'oiret, Coq. de I'Aisne, 1801, p. til. 

 Cyelostuma iinpunun, Draparnaud, Tabl. jNloll. 1801, p. 41. 

 Turho janitor, ^'allot, Exerc. d'llist. Nat. 1801, p. 6. 

 Cjieli'stuiiut jiu'uldtor, F^Jrussac, Ess. Meth. Conch. 1807, p. 66. 

 Lymncea tentaculala, Eleniing. Edin. Eocyc. vii, 1814, p. 78. 



