FAUNA OF THE AFRICAX LAKES. 



543 



TiMe of Distrihutioib of Gastero2)oda t. 



Xame of Species. 



Taii2:aii- 



Faiiiily A'lviPAUiD.u. 



Vivipanis constrictus 



„ costiilatus 



foai E 



„ nieta 



,, vubicuiulus 



,, unicolov 



„ ? briiicatiauus E 



Neotbaiima tang'aiiyiceiise ... Qen. E 

 Cleopatra emiiii 



„ guillemeti P 



„ jouberti E 



„ pirotbi 



„ trisulcata E 



*Bi-idouxia giraudi Gen. E 



Faiiiil}' AiipriLAEiiDs:. 



Ampullaria bridouxi E 



„ gordoni 



„ giadata 



„ letounieuxi 



„ nyanzce 



;, ovata P 



„ speciosa 



„ stuhlmaniii 



Lanistes ellipticus 



„ jouberti E 



„ nyassanus 



„ olivaceus 



„ ovum 



„ purpureus 



„ scbweinfurthi 



,, sinistrorsus P 



*JJeroya bourguignati Gen. E 



Family HrDEOBiiD.a;. 



*Spekia zonata Gen. E 



*Tangaiiyieia rufofilosa Gen. Pj 



*Rumella neritinoides Gen. E 



*Stanleya giraudi Gen. E 



„ rotundata E 



„ smithiana E 



"*Limnotrochus tbomsoni Gen. E 



*Cliytra kirkii Gen. E 



Bithynia alberti 



„ bumerosa 



„ multisulcata E 



,, Stanley! 



,, walleri 



*Sj'rnolopsis carinifera Gen. E 



,, lacustvis E 



Victoria 

 Nvanza. 



Nyasa. 



Albert 

 Nyanza. 



Edward 

 Nyanza. 



Kivu. 



Otber parts of 

 tbe world. 



R. Nile. 



Egypt, E. Africa. 



E. Africa. 



E. Africa, Abys- 

 [sinia. 



+ Additional particulars and biblingrapbies will be found in von Martens' account 

 of Eii-it African forms (116) and Smith's review of the Mollnsca of Tanganyika 

 (170). There have been but few additions since the dates of these ] apers, 



* Geneva described as thalassoid. 



