1927] Pulsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 407 
Celatura (?) araneosa (A. T. de Rochebrune) 
Zairia araneosa A. 'T. DE RocHEBRUNE, 1886, Bull. Soc. Malacol. France, IIT, 
pe bk 
Nodularia araneosa A. T. de Rochebrune. Srmpson, 1914, ‘Descript. Cat. of 
Naiades,’ p. 1045. 
Gancini or Nganchu, on the right bank of the Congo River (type locality; 
Thollon Coll.). 
Celatura (?) béhmi (EK. v. Martens) 
Unio bbhmi KE. v. Martens, 1897, ‘Deutsch Ost Afr., IV, Beschalte Weichth., 
p. 223, Pl. vu, fig. 9. 
Nodularia (Cxlatura) bohmi E. v. Martens. Simpson, 1900, Proc. U. 8. Nat. 
Mus., XXII, p. 823; 1914, ‘Descript. Cat. of Naiades,’ p. 1036. 
Lake Tanganyika: near Karema (type locality; Bohm and Reichard Coll.). 
Celatura calathus (Bourguignat) 
_ Unio calathus BourGcuiIGNat, 1885, ‘Esp. Nouv. Ouk. Tanganika,’ p. 23. E. v: 
Martens, 1897, ‘Deutsch Ost Afr., 1V, Beschalte Weichth.,’ p. 224. 
Nodularia calathus Bourguignat. Simpson, 1900, Proc. U.S. Nat. Mus., XXII, 
p. 824; 1914, ‘Descript. Cat. of Naiades,’ p. 1044. 
Lake Tanganyika: originally described from that lake without more definite 
locality. 
Celatura charbonniert (Bourguignat) 
Unio charbonnieri Bouraurenat, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’ p. 9; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xx, figs. 1 and 2. GERMAIN, 
1911, Bull. Mus. Hist. Nat. Paris, p. 440; 1908, ‘Rés. Scientif. Voy. Afrique Fa,’ 
p. 679. 
Nodularia (Czlatura) charbonniert Bourguignat. ae esol: 1914, ‘Descript. Cat. 
of Naiades,’ p. 1024. 
Unto coulboisi BouRGUIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tanganika,’ 
p. 12; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xx, figs. 3 and 4. 
Unio dromauxi Bourauienat, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tanganika,’ 
p. 17; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xx1, figs. 1 and 2. 
Lake Tanganyika: western shore of the lake, north of the Lukuga River Gieipe 
locality of all three forms here regarded as synonyms). 
Celatura gerett (Preston) | 
Unio gereti Preston, 1910, Ann. Mag. Nat. Hist., (8) VI, p. 61, Pl. rv, fig. 9. 
Unio (?) gerett Preston. Simpson, 1914, ‘Descript. Cat. of Naiades,’ p. 727. 
Lake Tanganyika: originally described from the lake without more definite 
locality. 
Cxlatura poiriert (A. T. de Rochebrune) 
Zairia poiriert A. T. DE RocHEBRUNE, 1886, Bull. Soc. Malacol. France, ITI, p. 
ii: ° 
Nodularia poirieri A. T. de Rochebrune. Simpson, 1914, ‘Descript. Cat. of 
Naiades,’ p. 1045. 
Gancini or Nganchu on the right bank of the Congo River (type locality; Thollon 
Coll.). 
