1927] Pilsbry-Bequaert, the Aquatic Mollusks of the Belgian Congo 399 
Grandidieria tanganyicensis (EK. A. Smith) 
Umo tanganyicensis E. A. Smiru, 1880, Proc. Zool. Soc. London, p. 351, Ple 
XXXI, figs. 9 and 9a. PELSENEER, 1886, Bull. Mus. Hist. Nat. Belgique, IV, p. 109. 
E. v. Marrens, 1883, Sitz. Ber. Ges. Naturf. Fr. Berlin, p. 72. 
Grandidieria tanganikana BourGuienat, 1885, Bull. Soc. Malacol. France, II, 
p. 7; 1885, ‘Notice Prodrom. Moll. Giraud Tanganika,’ p. 102. 
Unio (Grandidieria) tanganyicensis E. A. Smith. E. v. Martens, 1897, ‘Deutsch 
Ost Afr., IV, Beschalte Weichth.,’ p. 240. 
Grandidieria tanganyicensis E. A. Smith. Stmpson, 1900, Proc. U. 8. Nat. Mus., 
XXII, p. 828; 1914, ‘Descript. Cat. of Naiades,’ p. 1054. 
Lake Tanganyika: Ujiji (type locality; E. C. Hore Coll.); Mpala (Giraud Coll.).; 
Albertville (C. Hedley Coll.). 
Grandidieria tanganyicensis var. exalbida (Preston) 
Unio tanganyicensis var. exalbida PrEsTON, 1913, Rev. Zool. Afric., ITI, 1, p. 60. 
Lake Tanganyika: without more definite type locality. 
Grandidieria thomsoni (E. A. Smith) 
Unio thomsonit E. A. Smiru, 1880, Ann. Mag. Nat. Hist., (5) VI, p. 480; 1881, 
Proc. Zool. Soc. London, p. 299, Pl. xxxtv, fig. 36. G. B. Sowrrsy, 1894, ‘List of 
Shells of Lake Tanganyika,’ p. 2, Pl., fig. 21. 
Grandidieria thomsoni E. A. Smith. Boureuienat, 1885, Bull. Soc. Malacol. 
France, II, p. 7; 1885, ‘Notice Prodrom. Moll. Giraud Tanganika,’ p. 100. Simp- 
son, 1900, Proc. U. 8. Nat. Mus., XXTI, p. 829; 1914, ‘Descript. Cat. of Naiades,’ 
p. 1057. 
Unio (Grandidieria) thomsoni E. A. Smith. E. v. Martens, 1897, ‘Deutsch 
Ost Afr., IV, Beschalte Weichth.,’ p. 240. 
Grandidieria corbicula BourcuiGNat, 1885, ‘Notice Prodrom. Moll. Giraud 
Tanganika,’ p. 100; 1888, ‘Iconogr. Malacol. Tanganika,’ p. 48, Pl. x1x, figs. 10-12. 
Grandidieria granulosa BoureuieNnaT, 1885, ‘Notice Prodrom. Moll. Giraud 
Tanganika,’ p. 102; 1888, ‘Iconogr. Malacol. Tanganika,’ p. 48, Pl. xrx, fig. 21. 
Grandidieria singularis BouRGUIGNAT, 1888, ‘Iconogr. Malacol. Tanganika,’ 
p. 43, Pl. x1x, figs. 18-20. 
Lake Tanganyika: originally described from the lake without more definite 
locality (J. Thomson Coll.); Mpala (type locality of G. corbicula; Giraud Coll.); 
Pambete (type locality of G. granulosa; Giraud Coll.). 
CzaLaturA Conrad 
Celatura ConraD, 1853, Proc. Ac. Nat. Sci. Philadelphia, VI, pp. 267 and 268. 
Monotype: Unio egyptiacus Cailliaud. 
Pharaonia Boureuiaenat, 1880-1881, ‘Matér. Moll. Acéph. Syst. Hurop.,’ I, p. 
3 (without descfiption or species). JousSEAUME, 1886, Bull. Soc. Zool. France, XI, 
p. 486. Type by present designation: Pharaonia bellamyi Jousseaume. 
Zatria A. T. DE RocHEBRUNE, 1886, Bull. Soc. Malacol. France, III, p.10. Type 
by present designation: Zatiria elegans A. 'T. de Rochebrune. 
