PuaTe XVII 
Figs. 1-4. Lanestes procerus lang: Pilsbry and Bequaert. Stanleyville. Type 
(Fig. 4). 3 
Figs. 5-7. Lanistes adansoni Kobelt. Zambi. 
Fig. 8. Lanistes ellipticus E. v. Martens. Kimilolo River. 
