1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo Ort 
Stanleya rotundata K. A. Smitru, 1904, Proc. Malacol. Soc. London, VI, 2, p. 93. 
Lake Tanganyika: on the eastern shore between Ujiji and the mouth of the 
Malagarazi River (type locality). 
Baizea (Coulbotsia) smithiana (Bourguignat) 
Stanleya smithiana BourcuiaNnat, 1885, ‘Notice Prodrom. Moll. Giraud Tan- 
ganika,’ p.88. E.A.Smrrs, 1904, Proc. Malacol. Soc. London, VI, 2, p. 94. 
Stanleya (Coulboisia) smithiana Bourguignat. ANncry, 1907, Bull. Scientif. 
France et Belgique, (5) IX, (1906), p. 254. 
Coulboisia smithiana BouRGUIGNAT, 1888, ‘Iconogr. Malacol. Tanganika,’ PI. 
XVII, figs. 18-19; 1890, Ann. Sc. Nat. Zool., (7) X, p. 248, Pl. xvu, figs. 18-19. H. B. 
BAKER, 1923, Proc. Ac. Nat. Sc. Philadelphia, LX XV, p. 174. 
_ Lake Tanganyika: Mlilo (type locality; Giraud Coll.). 
Subgenus Grraupia Bourguignat 
Giraudia BourguiaNat, 1885, ‘Notice Prodrom. Moll. Giraud Tanganika,’ 
p. 61. For two species: Giraudia preclara Bourguignat and G. grandidiertana Bour- 
guignat. Type by present designation: G. preclara. 
Baizea (Giraudia) minima (E. A. Smith) 
Giraudia minima BK. A. Smiru, 1908, Proc. Malacol. Soc. London, VIII, 1, p. 125 
fig. 
Lake Tanganyika: originally described from the lake without more definite 
locality (R. L. Harger Coll.). | 
Baizea (Giraudia) preclara (Bourguignat) 
Giraudia preclara BourGuIGNAT, 1885, ‘Notice Prodrom. Moll. Giraud Tan- 
ganika,’ p. 62; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. x1, figs. 16-18; 1890, Ann. 
Se. Nat. Zool., (7) X, p. 149, Pl. x1, figs. 16-18. E. A. Smrrx, 1904, Proc. Malacol. 
Soc. London, VI, 2, p. 95; 1906, Proc. Zool. Soc. London, I, p. 188, Pl. x, fig. 14 
(operculum). ANncEy, 1907, Bull. Scientif. France et Belgique, (5) IX, (1906), 
pp. 254 and 265. 
Reymondia preclara Bourguignat. Marte AnD DauTzEnBERG, 1899, Journ. 
de Conchyl., XLVII, p. 176. 
Giraudia grandidieriana Bourcutenat, 1885, ‘Notice Prodrom. Moll. Giraud 
Tanganika,’ p. 63; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. x1, figs. 19-21; Ann. 
Se. Nat. Zool., (7) X, p. 150, Pl. x1, figs. 19-21. E. A. Smirs, 1904, Proc. Malacol. 
Soc. London, VI, 2, p. 95. ANcey, 1907, Bull. Scientif. France et Belgique, (5) IX, 
(1906), p. 254. a 
Giraudialavigeriana BourGUIGNAT, 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. x1, 
figs. 22-24* 1890, Ann. Sc. Nat. Zool., (7) X, p. 151, Pl. x1, figs. 22-24. E. A. Sirs, 
1904, Proc. Malacol. Soc. London, VI, 2, p. 95. ANCEY, 1907, Bull. Scientif. France 
et Belgique, (5) IX, (1906), p. 254. 
Lake Tanganyika: Mlilo (type locality; Giraud Coll.); Moliro (W. A. Cunning- 
ton Coll.); near the mouth of the Mkulungulu River in Ugoma; Mpala (Guillemé 
Coll.). 
