260 Annals of the South African Museum. 



Originally described as from the Swan Eiver, Australia, 

 von Martens (1897) considers M. bloyeti and nitidissimus, Bgt., to 

 be merely varieties of purpureus. 



FAMILY VIVIPAKID^, Gray, 1847. 



(P.Z.S. p. 155.) 

 ( = Paludinidas, Auctt.) 



GENUS VIVIPAEA, de Montfort, 1810. 



(Conch. Syst. ii. p. 247, as Viviparus, emend. Dupuy, 1851, Hist. nat. des Moll. . . . 



qui vivent en France, p. 534.) 



(=Vivipare, Lam., 1809, and Palud ina, Lam., 1812.) 

 Type of Genus, V. fluviorum, de Montf. (vivipara, Lin.). 



549. VIVIPARA CAPILLATA, von Frauenfeld. 



1865 Vivipara capillata, Frnfd., P.Z.S. p. 659. D. 



Verb. Zool. Ges. Wien, xv. p. 533. 



pi. 22. D.F. 



1877 Paludina Smith, P.Z.S. p. 717. pi. 74, f. 3, 4. F. 



1907 Vivipara Kob., Conch. Cab. p. 174. pi. 34, f. 5-8. 



D.F. 



Type in British Museum. 

 Hab. ZULULAND. Lake Sibayi (Toppin). 



RHODESIA. ? Victoria Falls (Morrell, fide Preston ; Dixey and 

 Longstaff) . 



LORENZO MARQUES. Rikatla (Junod). 

 Originally described from Lake Nyassa. 



550. VIVIPARA PASSARGEI, von Martens. 



1904 Vivipara passargei, von Mts., Die Kalahari, pp. 757 ; 755, f . 3. D.F. 

 Type ubi ? 



Hab. BECHUANALAND . In marly sandstone at the Letter Tree, 

 Botletle (subfossil, Passarge). 



Founded on a single specimen, " similar to the East African 

 V. unicolor." 



551. VIVIPARA SAMBESIENSIS, Sturany. [S.A.M.] 



1898 Vivipara unicolor, Oliv., var. sambesicnsis, Stur., S.A. Moll. 

 p. 85. pi. 3, f. 57-61. D.F. 



1905 ,, densestriata, Prest., Proc. Mai. Soc. vi.p.300,f.2. D.F. 

 1907 ,, sambesiensis, Stur., Kob., Conch. Cab. p. 172. pi. 33, 



f. 15, 16. D.F. 



