Prats XLV 
Figs. 1-3. Pseudospatha tanganyicensis (E. A. Smith). Lake Tanganyika. 
Fig. 4. Pseudospatha tanganyicensis livingstoniana (Bourguignat). Lake 
Tanganyika. 3 rare: 
Figs. 5 and 7. Pseudospatha ortmanni Pilsbry and Bequaert. Bay of Toa, Lake 
Tanganyika. Type. 
Fig. 6. Pseudospatha stappersi Pilsbry and Bequaert. Bay of Kilewa, Lake 
Tanganyika. Type. 7 
