204 Bulletin American Museum of Natural History [Vol. LIII 
Melanoides bavayt (Dautzenberg and Germain). See p. 264. 
Melanoides crawfordi (Brot) = Melania crawfordi Brot, 1894, Journ. de Conchyl., 
XLII, p. 473, Pl. rx, fig.5. Type locality: Middelburg, Transvaal. 
Melanoides crawshayi (E. A. Smith). See p. 264. 
Melanoides depravata (Dupuis and Putzeys). See p. 264. 
Melanoides dupuisi (Spence). See p. 265. 
Melanoides imitatriz (E. A. Smith). See p. 265. 
Melanoides kinshassaensis (Dupuis and Putzeys). See p. 259. 
Melanoides kisangani Pilsbry and Bequaert. See p. 263. 
Melanoides kisangani congo Pilsbry and Bequaert. See p. 263. 
Melanoides langi Pilsbry and Bequaert. See p. 259. 
Melanoides langi zambiensis Pilsbry and Bequaert. See p. 260. 
Melanoides liebrechtsi (Dautzenberg). See p. 259. 
Melanoides maraensis (Preston) = Melania maraensis Preston, 1913, Rev. Zool. 
Afric., III, 1, p. 58, Pl. vi, fig. 5. Type locality: Eusso Mara River, at 3,500 ft., 
Kenya Colony. Germain (1919, Bull. Mus. Hist. Nat. Paris, p. 264) synonymizes 
this with M. tuberculata (Miller). 
Melanoides mweruensis (E. A. Smith). See p. 265. 
Melanoides nsendweensis (Dupuis and Putzeys). See p. 260. 
Melanoides nsendweensis consobrina (Dupuis and Putzeys). See p. 261. 
Melanoides nsendweensis megalobasis Pilsbry and Bequaert. See p. 261. 
Melanoides nsendweensis soror (Dupuis and Putzeys). See p. 261. 
Melanoides nyangweensis (Dupuis and Putzeys). See p. 265. 
Melanoides recticosta (E. v. Martens) = Melania recticosta EK. v. MARTENS, 1882, 
Jahrb. Deutsch. Malakoz. Ges., IX, p. 248. Murie brook, an affluent of the Prasiisa 
River, Portuguese West Mea. 
Melanoides scabra (O. F. Miller) =Buccinum scabrum O. F. MUuiER, 1774, 
‘Verm. Terr. Fluv. Hist.,’ II, p. 136. Type locality: coast of Coromandel, India. 
This species is found at various places along the coast of East Africa. The following 
are regarded as synonyms: Plotia bloyeti Bourauianat, 1889, ‘Moll. Afrique 
Equator.,’ p. 186 (described from the Vuami and Kingani basins, Tanganyika Terri- 
tory); Plotia leroyi BourGuIGNAT, 1889, op. cit., p. 185 (type locality: Vuami River, 
Tanganyika Territory); and Melania subspinulosa Brot, 1872, ‘Matér. Et. 
Mélaniens,’ III, p. 48, Pl. 11, figs. 7-8 (type locality: Zanzibar). 
Melanoides tuberculata (O. F. Miller). See p. 256. 
Melanoides tubercula‘a var. dautzenbergi Pilsbry and Bequaert. See p. 257. 
Melanoides victoriz (Dohrn) = Melania victorix Dourn, 1865, Proc. Zool. Soc. 
London, p. 234. Type locality: Victoria Falls, Zambezi River, Rhodesia. 
Melanoides wagenia Pilsbry and Bequaert. See p. 262. 
Melanoides wagenia tshopotcola Pilsbry and Bequaert. See p. 262. 
Melanoides zengana (Morelet) = Melania zengana Moreet, 1860, ‘Séries Con- 
chyl.,’ IT, p. 115, Pl. v1, fig. 9. Type locality: Zanzibar. 
To these are to be added the forms from Lake Nyasa distributed 
by Bourguignat in the supposed genera Nyassia, Nyassella, M UCTONYASSIA, 
and Nyassomelania. The essential characters of these groups, to be 
found in the mantle, radula, and operculum, remain unknown; until 
differential characters are pointed out, they may well be left in Melan- 
