1927] Pilsbry-Bequaert, The Aquatic Mollusks of the Belgian Congo 325 
Our knowledge of the anatomy is due to Moore, who published an 
account with figures of L. grandis. Pelseneer [1907, Rept. Brit. Ass. Adv. 
Sci., (1906), p.602], who also has examined but not published the anatomy, 
concludes that Lavigeria is a melanid; the female is viviparous. 
Lavigeria callista Bourguignat 
Lavigerta callista BoURGUIGNAT, 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xrv; 
fig. 2; 1890, Ann. Sc. Nat. Zool., (7) X, p. 183, Pl. x1v, fig. 2. E. A. Smrru, 1904, 
Proc. Malacol. Soc. London, VI, 2, p. 89. ANncry, 1907, Bull. Scientif. France et 
Belgique, (5) IX, (1906), p. 251. 
Lake Tanganyika: Bono and at the mouth of the Mkulungulu in Ugoma (type 
locality not designated). 
Lavigeria combsa Bourguignat 
Lavigeria combsa BoureuienatT, 1888, ‘Iconogr. Malacol. Tanganika,’ Pl. xiv, 
fig. 7; 1890, Ann. Sc. Nat. Zool., (7) X, p. 189, Pl. x1v, fig.7. E. A. Smrrx, 1904, Proc. 
Malacol. Soc. London, VI, 2, p. 89. ANncry, 1907, Bull. Scientif. France et Belgique, 
(5) IX, (1906), pp. 251 and 268. 
Lake Tanganyika: Mlilo, on the southern shore (type locality); Ufipa, on the 
eastern shore (Lechaptois Coll.). — 
a b Cc 
Fig. 68 a, Lavigeria coronata Bourguignat. -c, Lavigeria grandis (EH. A. 
Smith); 
Lavigeria coronata Bourguignat 
Text Figure 68a 
Lavigeria coronata Bourcuienat, 1888, ‘Iconogr. Malacol. Tanganika,’ PI. 
xi, figs. 13-14; 1890, Ann. Se. Nat. Zool., (7) X, p. 180, Pl. x11, figs. 13-14. 
Nicouas, 1899, C. R. Ass. Frang. Av. Sci., (1898), Il, -p. 517, fe. 6... A. Surrey, 
Proc. Malacol. Soc. London, VI, 2, p. 89. ANcry, 1907, Bull. Scientif. Fiance et 
Belgique, (5) IX, (1906), p. 251. 
Paramelania tabulata G. B. SowERBY, 1894, ‘List of Shells of Lake Tanganyika,’ 
p. 1, PL, fig. 8 (Tanganyika). 
