3Y4 



AMERICAN JOURNAL 



Versuch einer Aufzahlung der Arten der Gattung Bithynia, 

 Leach, und Nematura Bens, (rait Zusammenstellung der 

 Arten der Gattung Vivipara, Lmk. in der Kaiserliehen 

 Sammlung) : by georg ritter von frauenfeld. 



Die Arten der Gattung Lythoglyphus Mhlf., Paludinella Pf., 

 Assiminea Gray : By the same. 



Vorlauflge Aufzahlung der Arten der Gattungen Hydrobia 

 Htm. und Amnicola Gld. Hldm. : By the same. 



We have received from the author, these three interesting 

 papers, pubhshed in the "Proceedings of the Zool. Botan. 

 Soc. of Vienna," 1862 — 3. The first contains the following- 

 new species: — 



BITHYISriA. 



Bstremadura. 



S. Letochse, 

 " jShuUleworthi, 

 " tristis, 

 " proxima. 

 " vertiginosa, 

 " Majewsky, 

 " meridionalis, 

 " Schraderi. 

 " wmbratica, 

 " perfecta, 

 " Africana, 

 " Adamsii, 

 " ceranospata7ia, 



North China. 

 Kotschy, Schiraz. 



New Holland. 

 Dalmatia, Croatia. 

 Spain, Calabria. 



Estremadura. 

 North America. 

 W. Africa. 

 Ganges. 

 Bengal. 



Descriptions of the following species of Vivipara are ap- 

 pended to the paper : — 



Black Creek, E. Florida. 

 Australia. 



V. Haldeinaniana, Shuttlw., 



" Essingtonensis, Shuttlew., 



" Warreana, Shuttlew. 



" Uneolata, Mouss., 



" variata, Frfld., 



" polita, Frfld., 



" Maheyana^ Grat. (?) 



" fallax, Frfld., 



" formosula, Frfld., 



" polyzonata, Frfld., 



Bithynia perfecta, from Columbia, North America, we can- 

 not identify from the description, but Yivipara Haldemaniana 

 is, doubtless, the same as our common V. lineata, Val. V. 

 Warreana is a good species. 



In the second paper quoted, the following are referred to 

 Lithoglyphus: — L. integer^ Say; L. subglohosus, Say; L. iso- 

 gona, Say ; also : — 



Palembang, Sumatra. 



Pondichery. 



South Africa. 



Malabar. 



Madras. 



Java. 



India. 



