Freshwater- Shells from Central Africa . 
147 
2. Trochonanina Jenynsi y Pfr., var. 
Hab. Kirassa. 
The single specimen differs from the type in having the 
umbilicus a little larger and the spiral sculpture rather 
stronger. The keel at the periphery also is somewhat more 
pronounced. 
3. Bulimus ( Rhachis ), sp. 
Hab. Htoni Hiranza. 
Two specimens in poor condition. 
4. Bulimus ( Cerastus ) ptychaxis y Smith, var. 
Hab . Huala. 
The specimens from the above locality have the apical 
whorls somewhat larger than the type from Ujiji. 
5. Bulimus ( Cerastus ) Emini , sp. n. 
Hab. Kidete ; also Htoni Heranza. 
6. Bulimus ( Cerastus ) kidetensis y sp. n. 
Hab. Kidete. 
7. Bulimus (Ena?) Hanningtoni , Sowerby. 
Hab. Kidete, Huala, and Hkata. 
8. Acliatina y sp. 
Hab . Huini, Ussagara. 
The two specimens may perhaps be a variety of A. Craveni y 
Smith ; they differ in the spire being somewhat longer and 
the body- whorl shorter than in the type. 
9. Limicolaria Caillaudi y Pfeiffer. 
Hab. Hssanga, Ugogo; near Huala River ; Kirassa. 
10. Limicolaria y sp. 
Hab. Lake Katue, near Albert Edward Lake. 
Three specimens in bad condition may belong to L . recti - 
strigata y Smith. 
11. Stenogyra ( Subulina ) usagarica y sp. n. 
Hab . Kidete. 
