1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 207 
In addition, Germain has named a large number of forms and variations of V. 
unicolor: major, minor, globosa, elata, pervius, microporus, normalis, unicarinata, bi- 
carinata, tricarinata, viridis, fusca, pallescens, and rubra (1920, ee dans |’ Afrique 
Onibutale Anglaise (1912— 1913) par G. Babault, Moll. Terr. Fluv.,’ pp. 200-203). 
Vwipara heliciformis Frauenfeld, originally described as from Africa, is an Indian 
species. 
Viviparus leopoldvillensis (Putzeys) 
Paludina leopoldvillensis PurzEys, 1898, Ann. Soc. Malacol. Belgique, XXXII, 
Bull. Séances, p. xxv, figs. 7 and 8. 
Vivipara leopoldvillensis Putzeys. Koper, 1909, in Martini and Chemnitz, 
“Syst. Conch. Cab., n. F., II, 21a, Paludina,’ p. 380, Pl. xxv, figs. 10-11. 
In the Santo Pool, near Leopoldville (type ieee 
In the Stanley Pool at Dolo near Kinshasa (Maurice Bequaert 
Coll.). 
A half-grown specimen, 13 mm. long, from the last-named locality, 
shows a series of short bristles on the blunt angle below the suture and 
another midway between that and the periphery, which also bears a few 
very short bristles. 
Viviparus unicolor (Olivier) 
Plate XIX, Figure 1 | 
Cuclestine umicolor Ouivier, 1804, ‘Voyage dans l’Empire Othoman,’ II, p. 39; 
(an x11) Atlas, II, Pl. xxx1, figs. 9a and 9b (type locality: Alexandria, Eg py Dty: 
Vivipara unicolor Olivier. H. Apams, 1866, Proc. Zool. Soc. London, p. 375. 
K. v. Martens, 1897, ‘Deutsch Ost Afr., IV, Beschalte Weichth.,’ p. 175. Germain, 
1905, Bull. Mus. Hist. Nat. Paris, p. 327; 1906, op. cit., pp. 52 and 59; 1908, ‘Rés. 
Scientif. Voy. Afrique Foa,’ p. 662. DauTzENBERG AND GERMAIN, 1914, Rev. Zool. 
Afric., IV, 1, p. 52. Koxsexr, 1907, in Martini and Chemnitz, ‘Syst. Conch. Cab., 
n.F., II, 21a, Paludina,’ p. 162, Pl. rv, figs. 12-13 and PI. v, figs. 11-12. 
Palidee unicolor Olivier, var. StURANY, 1894, in O. Baumann, ‘Durch Massai- 
land zur Nilquelle,’ p. 305, Pl. xxrv, figs. 16 and 27. 
Vwipara polita FRAUENFELD, 1862, Verh. Zool. Bot. Ges. Wien, XII, p. 1163 
(type locality: South Africa). ° | 
Paludina polita Frauenfeld. Rrrvn, 1863, ‘Conchol. Iconica,’ XIV, Paludina, 
Pl. x3; fig. 73. 
Paludina xthiops Reve, 1863, ‘Conchol. Iconica,’ XIV, Paludina, Pl. x, fig. 
60 (type locality: Central Africa). 
Vivipara alhiensis PREsTon, 1918, Rev. Zool. Afric., ITI, 1, p. 58, Pl. tv, fig. 4 
(type locality: Alli[=Athi] Plains, British East Africa). | 
In the Lualaba River at Kindu and Kibombo; in the Luvua River between 
Kiambi and Ankoro; channel from Lake Kabamba to the Lualaba at Mulongo (J. 
Bequaert Coll.). Lake Tanganyika: at the southern end (Foa Coll.). Region of the 
sources of the Kagera River in Ruanda (O. Baumann Coll.). 
