340 Bulletin American Museum of Natural History [Vol. LIII 
Corbicula gabonensis Preston, 1909, Ann. Mag. Nat. Hist., (8) IV, p. 90, Pl. 
Iv, fig. 8. Gaboon. : 
Corbicula gravieriana BourGuIGNAT, 1885, ‘Moll. Choa,’ p. 38, Pl., figs. 14 and 
14’. Hauash River, Abyssinia. 
Corbicula heuglint CLessin, 1879, in Martini and Chemnitz, ‘Syst. Conch. Cab.,” 
IX, 3, Cycladeen, p. 189, Pl. xxv, figs. land2. Lake Tsana, Abyssinia. 
Corbicula inequilateralis Prime, 1864, Ann. Lyc. Nat. Hist. New York, VIII, 
p. 80, fig. 31. ‘“Africa.”’ 
Corbicula jickeli CuEssin, 1879, in Martini and Chemnitz, ‘Syst. Conch. Cab..,’ 
IX, 3, Cycladeen, p. 163, Pl. xxrx, figs. 1 and 2. Based upon C. pusilla var. 
JICKELI, 1874, Nova Acta Ac. Nat. Cur. Dresden, XXXVII, 1, p. 289, Pl. 11, fig. 
12. Ina canal of the Nile, near Cairo. 
Corbicula kirkii Prime, 1864, Ann. Lyc. Nat. Hist. New York, VIII, p. 66, fig. 12. 
Mozambique. 
Corbicula lacoint GeRMAIN, 1905, Bull. Mus. Hist. Nat. Paris, p. 487; 1906, 
Mém. Soc. Zool. France, XIX, p. 241, Pl. rv, figs. 13 and 14; 1908, in A. Chevalier, 
‘L’ Afrique Centrale Frangaise,’ p. 579; 1911, ‘Doc. Scientif. Miss. Tilho,’ II, p. 215 
(with var. ex colore castanea Germain). Numerous localities in the region of Lake 
Chad. 
Corbicula meridionalis CLEssIN, 1879, in Martini and Chemnitz, ‘Syst. Conch. 
Cab.,’ IX, 3, Cycladeen, p. 142, Pl. xxv, figs. 15-17. “Afrika im Senegal?”’ 
Corbicula natalensis ‘‘ Krauss”? CLessin, 1879, in Martini and Chemnitz, ‘Syst, 
Conch. Cab.,’ [X, 3, Cycladeen, p. 155, Pl. xxvu, figs. 19-21. Natal. 
Corbicula nilotica CLEssin, 1879, in Martini and Chemnitz, ‘Syst. Conch. Cab.,’ 
IX, 3, Cycladeen, p. 177, Pl. xxx, fig. 3. Near Bahr-el-Asrak, in the Blue Nile. 
Corbicula oliphantensis CRAVEN, 1880, Proc. Zool. Soc. London, p. 618, Pl. tv1t,. 
fig. 12. Olifant’s River, Transvaal. 
Corbicula pusilla (Philippi) = Cyrena pusilla “‘ Parreyss”’ Puiuipri, 1846, ‘ Abbild. 
Beschr. Conchyl.,’ II, p. 78, Cyrena, Pl. 1, fig. 7 (type locality: Upper Nile). Cyrena 
africana var. B albida Krauss, 1848, ‘Sidafrik. Mollusk.,’ p. 9 (specimens from the 
Upper Nile). Corbicula alba CLEssin, 1879, in Martini and Chemnitz, ‘Syst. Conch. 
Cab.,’ IX, 3, Cycladeen, p. 157, Pl. xxvut, figs. 27 and 28 (White Nile; specimens from 
Sennar, above Khartoum). H. Adams (1866, Proc. Zool. Soc. London, p. 376) has. 
recorded C. pusilla from Lake Albert. 
Corbicula radiata (Philippi). See p. 341. 
Corbicula radiata edward: Pilsbry and Bequaert. See p. 348. 
Corbicula senegalensis CLEssin, 1879, in Martini and Chemnitz, ‘Syst. Conch. 
Cab.,’ IX, 3, Cycladeen, p. 141, Pl. xxv, figs. 9 and 10. Senegal. 
Corbicula soleilleti BoURGUIGNAT, 1885, ‘Moll. Choa,’ p. 36, Pl., figs. 12 and 12’. 
Hauash River, Abyssinia. 
Corbicula subtruncata ‘ Bourguignat”? GERMAIN, 1906, Bull. Mus. Hist. Nat. 
Paris, p. 582, fig. 17¢ (type locality: Kingani River at Bagamayo) =Corbicula sube 
truncatula BourGuIGNAT, 1889, ‘Moll. Afr. Equator.,’ p. 190 (without description). 
Germain makes this a synonym of C. fluminalis; but Pallary (1909, Mém. Inst. 
Egyptien, VI, p. 70) considers it a distinct species and records it from Mahmoudieh 
Canal, Egypt. 
Corbicula subtruncata var. xgyptiaca ‘“Bourguignat” Paruary, 1909, Mém 
Inst. Egyptien, VI, p. 70 (from the Nile and the fresh-water canal of Suez; with var. 
