1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 44] 
Cameronia bridouxt BourauiGNnat, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’ p. 71. 
Pliodon (Cameronia) bridouxt Bourguignat. GERMAIN, 1908, ‘Rés. Scientif. Voy. 
Afrique Foi,’ p. 691, figs. 43-44. 
Cameronia coulboisi BoURGUIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’ p. 77; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xxx1, figs. 1-2. 
Cameronia gigantea BOURGUIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’ p. 68; 1888, ‘Iconogr. Malaco!. Tanganika,’ P]. xxxv, fig. 1. 
Cameronia gossett BOURGUIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’.p. 82; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xxx11, fig. 3. 
Cameronia paradoxa BouRGUIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Irid. Tan- 
ganika,’ p. 91; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xxx11, figs. 1-2. 
Mutela ([ridina) speket Woodward. E. v. Marrens, 1897, ‘Deutsch Ost Afr., 
IV, Beschalte Weichth.,’ p. 256. 
Lake Tanganyika: originally described from that lake without more definite 
locality (Speke Coll.); Sumbua on the eastern shore (W. A. Cunnington Coll.); 
Karema. | 
Lake Tanganyika: without special locality (Stappers Coll.); 
Tembwe (Hubert Coll.). 
The specimen figured lived with somewhat more than half of the 
shell buried, this part having a highly polished chestnut brown perio- 
stracum, fading upward to russet, and toward the margin to black. The 
exposed part of the shell is duller and incrusted. The nacre is shell pink, 
iridescent and bronzed violaceous posteriorly. The valves gape anteriorly. 
Length, 135 mm.; height at beaks, 54 mm.; at posterior third, 56 mm.; dia- 
meter, 46 mm. 
Other Species of Cameronia Recorded from the Belgian Congo 
Iridina (Cameronia) bourguignati (Bourguignat) 
Cameronia bourguignati ““Ancey’’ BourGcuIGNatT, 1885, ‘Esp. Nouv. Ouk. Tan- 
ganika,’ p. 26; 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xxxu, figs. 1-2. 
Pleiodon (Cameronia) bourguignati Bourguignat. Simpson, 1900, Proc. U. 5. 
Nat. Mus. XXII, p. 909; 1914, ‘Descript. Cat. of Naiades,’ p. 1380. 
Lake Tanganyika: Burton Gulf (type locality). 
Tridina (Cameronia) giraudi (Bourguignat) 
Cameronia giraudi Bourcuianat, 1885, ‘Notice Prodrom. Moll. Giraud Tan- 
ganika,’ p. 107. 
Pliodon (Cameronia) giraudi Bourguignat. GERMAIN, 1905, Bull. Mus. Hist. 
Nat. Paris, p. 260; 1911, op. cit., p. 441; 1908, ‘Rés. Scientif. Voy. Afrique Fo,’ 
p. 692, figs. 47 and 48 (on p. 693). 
Pleiodon (Cameronia) giraudi Bourguignat. Simpson, 1914, ‘Descript. Cat. of 
Naiades,’ p. 1380. 7 
Cameronia charbonnieri BourauIGNAT, 1886, ‘Nouv. Malacol., I, Un. et Ind. 
Tanganika,’ p. 83. ea 
Pliodon (Cameronia) charbonniert Bourguignat. GERMAIN, 1908, ‘Rés. Scientif. 
Voy. Afrique Foa,’ p. 692, figs. 45 and 46. 
