PLATE X XI 
Figs. 1-7. Melanoides tuberculata (O. F, Miller). Lake Edward. 
Fig. 8. Melanoides anomala (Dautzenberg). Kabanza. Type. 
Figs. 9-11. Melanoides anomala (Dautzenberg). Kimilolo River, 
Fig. 12. Melanoides anomala (Dautzenberg). Kisanga River. 
Fig. 13. Melanoides anomala bukamana Pilsbry and Bequaert. Lualaba River 
at Bukama. Type. | 
Figs. 14-18. Melanoides liebrechtsi (Dautzenberg). Leopoldville. 
Figs. 19-22. Melanoides kisangani Pilsbry and Bequaert ‘Tshopo River near 
Stanleyville. Type (Fig. 21) and paratype. 
Figs. 23-24. Melanoides kisangani congo Pilsbry and Bequaert. Congo River 
near the Falls at Stanleyville. Type (Fig. 24) and paratype. * 
