PROSOBRANCHIATA. 
Moll . 85 
Lithoglyphus gredleri, n. sp., Reifnitz [near Laibach] in Krain; Kobelt 
in Rossmaessler’s Iconographio, v, p. 35, fig. 
Paludinclla ( Bythinella ) pauluccice , n. sp., Mantua; Picaglia, Atti Soc. 
Mod. x, p. 53. 
^ Ponsonbya, n. g., P. leucoraphe , n. sp., Lake Tanganyika, Ancey, Bull. 
Soc. Mai. Fr. vii, p. 347. 
Potamopyrgus balceri, n. sp., Mexico; Pilsbry, P. Ac. Philad. 1891, 
p. 328, figs., and Naut. v, p. 9. 
Pyrgulopm (?) patzcaarenm , n. sp., Mexico, Pilsbry, P. Ac. Philad. 
1891, p. 330, figs., also Naut. v, p. 9. 
t Subulina nitidula , n. sp., Tertiary of Bohemia, Klika, Arch, naturw. 
Landesforsch. Bohmen, vii, No. 4, p. 70, fig. 
Paludinid^j. 
Cleopatra mangoroenm , n. sp., River Mangoro (Madagascar), Ancey, 
Bull. Soc. Mai. Fr. vii, p. 344. 
Neothauma : the development of the labial sinus is merely of specific 
importance ; the name will pass into the synonymy of Viviparus ; Smith, 
Ann. N. H. viii, p. 323. 
Paludina vivipara , development ; Erlanger, Morph. JB. xvii, pp. 337- 
379 & 636-680, 6 pis., and Zool. Anz. xiv, pp. 68-70 & 280-283. 
t Vivipara lacedcemoniorum , n. sp., Neogene [near Sparta], Oppenheim, 
Z. geol. Ges. xliii, p. 461, fig. 
Valvatid^. 
t Valvata vivipariformis, philippsoni, n. spp., Neogene, Greece, Oppen- 
heim, Z. geol. Ges. xliii, pp. 463 & 473, figs. 
Ampullariidji. 
Ampullaria : distribution in Southern Brazil; Jiiering, Nachr. mal. 
Ges. 1891, p. 93 : respiration ; Bouvier, Le Nat. 1891, p. 143. 
A.petiti , n. sp., Amazon River, Crosse, J. de Conch, xxxi, p. 214, fig. 
Lanistes congicus , n. sp., Congo, Bcettger in Schepman, Notes Leyd. 
Mus. xiii, p. Ill, fig. 
Asstmineid^e. 
Acmella decolor , n. sp., Moluccas, Bgettger, Ber. Senck. Ges. 1891, 
p. 297, fig. 
Cyclophorid^;. 
Alycaeus celebensis , n. sp., Celebes, Martens, (246) p. 217. 
iArinia distancice, n. sp., Danien of Saint-Remy, Nicolas, C.R. Ass. 
Fr. Sci. 1890, ii, p. 357, fig. 
