SORT ae _ Pilsbry-Bequaert, The Aquatic M ollusks of the Belgian Congo 265 
Melania nyangweensis var. depravata DAUTZENBERG AND GERMAIN, 1914, Rev. 
Zool. Afric., IV, 1, p. 64. 
In the Lualeee River at Nyangwe (type locality) and Nsendwe (Dupuis Coll.). 
In the same river at Kibombo (J. Bequaert Coll. ie 
The specimens figured are respectively 14.5 mm. " (Kibombo) and 18.8 mm. 
(Nsendwe) long. 
7 Melanoides dupuisi (G. C. Spence) 
Cleopatra dupuist G. C. Spmncr, 1923, Journ. of Conchology, XVII, 1, p. 24, 
Pl. 1, fig. 8 
Tiara Faye G. C. Spence. Dupuis, 1924, Ann. Si, Zool. Belgique, LIV, 
(1923) .0. 22. 
In wash of the Congo River on the beach at eee on the right bank (type 
locality; F. M. Dyke Coll.). 
This appears to be related to M. liebrechtsi (Dautzenberg), as pointed out by 
Dupuis. 
*Melanoides imitatrix (Hi. A. ae 
Text Figure 43 
Melania imitatric E. A. Smrrx, 1893, Proc. Zool. Soc. Lon- 
don, p. 639, Pl. trx, fig. 13. 
Melania (Nyassia) imitatus E. A. Smith. Koseurt, 1909, 
Abh. Senckenberg. Naturf. Ges., XXXII, p. 81. 
Lake Moero: (R. Cramahas wks ); without more definite Fig. 43. Mela- 
type locality. -  noides imitatrixz 
The original figure is a a (E. A. Smith). 
a Copy of original 
figure. 
Melanoides mweruensis (EK. A. Smith) 
Plate XXII, Figures 20, 21, and 22 
Melania mweruensis E. A. Smiru, 1893, Proc. Zool. Soc. London, p. 639, Pl. 
LIX, fig. 12. 
Lake Moero: (R. Crawshay Coll.); without more definite type locality. 
Stappers obtained it in the same lake at Lukonzolwa, Kilwa, Pweto, Mobanga, 
etc., and also in the Luapula River at Kasenga and Kachiobwe. 
The specimens figured are respectively 25.0, 24.0, and 15.0 mm. long. 
® 
Melanoides nyangweensis (Dupuis and Putzeys) 
Plate X XII, Figure 23 | | 
Melania nyangweensis DuPpuIs AND Purzrys, 1900, Ann. Soc. Malacol. Belgique, 
XXXV, Bull. Séances, p. xvi, fig. 25. DAvuTZzENBERG AND GERMAIN, 1914, Rev. 
Zool. Afric., IV, 1, p. 64. 
In the Lualaba River at Nyangwe (type locality), Lokandu, and Nsendwe 
(Dupuis and Putzeys Coll.). In the same river at Kibombo and Nyangwe (J. 
Bequaert Coll.). | 
The specimen figured, from Nyangwe, is 17.8 mm. long. 
