1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo O20 
Proc. Malacol. Soc. London, VI, 2, p. 89. GERMAIN, 1905, Bull. Mus. Hist. Nat. 
Paris, p. 259; 1911, op. cit., p. 438; 1908, ‘Rés. Shiandit Voy. Afrique Foa,’ p. 657. 
ae 1907, Bull. Balewiit Ryanes et Belgique, (5) IX, (1906), pp. 251 and 262. 
Nasscom grandis var. jouberti Bourguignat. MARTEL AND DAUTZENBERG, 1899, 
Journ. de Conchyl., XLVII, p. 169, Pl. vit, fig. 7. 
Be ay Tanganyika: Mlilo uae loeaeeey: Ufipa on the eastern shore (Lechaptois 
fo) 
Lavigeria pereximia Bourguignat 
Lavigeria pereximia Boureuienat, 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. 
XIV, fig. 3; 1890, Ann. Sc. Nat. Zool. (7) X, p. 187, Pl. xiv, fig. 3. E. A. Surru, 1904, 
Proc. Malacol. Bod. London, VI, 2, p. 89. Ancry, 1907, Bull. Scientif. France et 
Belgique, (5) IX, (1906), p. 251. 
Lake Tanganyika: near the mouth of the Mkulungulu River (type locality). 
Lavigeria ruellaniana Bourguignat 
Lavigeria ruellaniana Bourcuianat, 1888, ‘Iconogr. Malacol. Tanganika,’ 
Pl. xiv, figs. 5-6; 1890, Ann. Sc. Nat. Zool., (7) X, p. 190, Pl. xrv, figs. 5-6. E. A. 
SmitH, 1904, Proc. Malacol. Soc. London, VI, 2, p. 89. Ancry, 1907, Bull. Scientif. 
France et Belgique, (5) TX, (1906), p. 251. at 
Lake Tanganyika: Mlilo and Kapampa (type locality not designated). 
RANDABELIA Bourguignat 
Randabelia BourcuieNnatT, 1888, ‘Iconogr. Malacol. Tanganika,’ p. 31; 1890, 
Ann. Se. Nat. Zool., (7) X, p. 170. Type by present designation: Paramelania ham- 
yana Bourguignat. 
Both E. A. Smith and Ancey are inclined to believe that this Fouad 
genus represents the young stages of Lavigeria, an Spleen which we 
share; but we have not seen specimens. 
Randabelia catoxia Bourguignat 
Randabelia catoxia BourGuiaNat, 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. 
x11, figs. 1-2; 1890, Ann. Sc. Nat. Zool., (7) X, p. 171, Pl. x1, figs. 1-2. HE. A. Smrra, 
1904, Proc. Malacol. Soc. London, VI, 2, p. 89. Ancry, Bull. Scientif. France et. 
Belgique, (5) X, (1906), pp. 251 and 262. | 
Lake Tanganyika: north of Mlilo, on the southern shore (type locality); Ufipa, 
on the eastern shore (Lechap ois Coll.). 
This, Ancey believes, is the young stage of Lavigeria joubertt. 
Randabelia hamyana (Bourguignat) 
- Poromaanaa hamyana BourauiGnat, 1885, ‘Notice Prodrom, Moll. Giraud 
Tanganika,’ p. 71. 
Randabelia hamyana Boureuienat, 1888, ‘Iconogr. Malacol. Tanganika,’ PI. 
x11, figs. 3-4; 1890, Ann. Se. Nat. Zool., (7) X, p. 173, Pl. x1u, figs. 3-4. HE. A. Smira, 
1904, Proc. Malacol. Soc. London, VI, 2, p. 89. Ancry, 1907, Bull. Scientif. France 
et Belgique, (5) IX, (1906), p. 251. 
