1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 379 
Reneus antiniloticus “ Bourguignat’? JouUSSEAUME, 1886, Bull. Soc. Zool. France, 
XI, p. 482 (without description). Senegal. 
Celatura (?) araneosa (A. T. de Rochebrune). See p. 407. 
Parreysia bakert (H. Adams). See p. 392. 
Unio bakoyt A. T. DE ROoCHEBRUNE, 1882, Bull. Soc. Philomath. Paris, (7) VI, 
p. 338=Nodularia (?) bakoyi Simpson, 1914, ‘Descript. Cat. of Naiades,’ p .1044. 
Unio backoyz A. 'T. DE ROCHEBRUNE, 1904, Bull. Mus. Hist. Nat. Paris, p. 258. Bakoy 
River, Senegal. 
Unio (Nodularia) bangoranensis GERMAIN, 1907, Bull. Mus. Hist. Nat. Paris, 
p. 66; 1908, in A. Chevalier, ‘L’ Afrique Centrale Francaise,’ p. 548, Pl. v, fig. 22 = 
Nodularia (2) bangoranensis Stmpson, 1914, ‘Descrip:. Cat. of Naiades,’ p. 1039. 
Bangoran River, an affluent of the Chari River; rapids of the Gribingui River; Chari 
River at Fort Archambault; all French Equatorial Africa. 
Pharaonia bellamyi JOUSSEAUME, 1886, Bull. Soc. Zool. France, XI, p. 486, PI. 
x11, figs. 7a-) = Nodularia (Ceclatiena) bellamyi Simpson, 1914, ‘Deseript Cat. of 
Naiades,’ p. 1026. Niger River at Faraba. ~ 
Unio billottianus CHARMES, 1885, Bull. Soc. Malacol. France, IT, p. 170 = Unio 
billotianus Stmpson, 1914, ‘Descript. Cat. of Naiades,’ p. 1130 (placed doubtfully 
in Parreysia). Kingani River, Tanganyika Territory. 
Celatura (?) béhmi (EK. v. Martens). See p. 407. 
‘Unio borellit ANcEY, 1894, Mém. Soc. Zool. France, VII, p. 226, fig. (on p. 227) = 
Nodularia (Cxlatura) borellii Simpson, 1914, ‘Descript. Cat. of Naiades,’ p. 1035. 
Shiré River, 3 kilometers south of Lake Nyasa. 
Pharaonia bourguignati A. T pE RocHEBRUNE, 1886, Bull. Soc. Malacol. France, 
III, p. 18. Mo aka, French Con:o. : 
Celatura briarti (Dautzenberg). Se> p. 403. 
Unio bridouxt Bourguignat. See p. 409. 
Unio caffer Krauss, 1848, ‘Siidafrik. Mollusk.,’ p. 18, Pl. 1, fig. 14. Stmpson, 
1914, ‘Descript. Cat. of Naiades,’ p. 574. Natal. This is the type of Cafferta. 
Unio caffer var. pentheri Srurany, 1898, Anz. Ak. Wiss. Wien, Math. Naturw. 
Kl, XXXV, p. 161; 1898, Denkschr. Ak. Wiss. Wien, Math. Naturw. K1., LX VII, 
p. 627, Pl. m1, figs. 64-65. Simpson, 1914, ‘Descript. Cat. of Naiades,’ p. 577. 
Panda ma Tinka, middle of Zambezi district. 
Celatura calathus (Bourguignat). See p. 407. 
Unio (Nodularia) cxesariana Preston, 1913, Rev. Zool. Afric., III, 1, p. 60, PI. 
iv, fig. 9. Lake Nyasa. According to Dupuis [1923, Ann. Soc. Zool. Belgique, 
LIII, (1922), p. 82], this is Unio nyassensis EB. A. Smitu, 1893, Proc. Zool. Soe. 
London, Pl. urx, p. fig. 16. 
Celatura charbonniert (Bourguignat). See p. 407. 
Unio charon Preston, 1910, Ann. Mag. Nat. Hist., (8) VI, p. 60, Pl. tv, fig. 6. 
Simpson, 1914, ‘Descript. Cat. of Naiades,’ p. 725. Silongwe, Nyasaland. Placed 
doubtfully in Unio by Simpson. 
Unio (Grandidieria) chefneuxi NevvitLE AND ANTHONY, 1906, Bull. Mus. Hist. 
Nat. Paris, p. 409; 1906, Bull. Soc. Philomath. Paris, (9) VIII, p. 287, Pl. xu, figs. 
=Grandidieria chefneuci Simpson, 1914, ‘Descript. Cat. of Naiades,’ p. 1061. 
Lake Rudolf. This is not a Grandidieria, but appears to be related to U. moncete 
Bourguignat. 
