PLATE XXXII 
Figs. l-la. Cezlatura gerrardi (v. Martens). Lake Tanganyika. 
Figs. 2-2a. Celatura mesafricana Pilsbry and Bequaert. Garamba River. 
Type. : 
Figs. 3-4. Celatura stanleyvillensis Pilsbry and Bequaert. Stanleyville. Type 
(Figs. 3-3a) and paratype. 
Figs. 5-6. Celatura elegans (de Rochebrune). Zambi. — 
All natural size. 
