TERRESTRIAL AND FLUVIATILE SHELLS. 193 



valve small, oblique, .slightly notched anteriorly ; cardinal teeth 

 in left valve very small, converging; lateral teeth in right valve 

 very weak, in left valve weak, somewhat curved ; scars very 

 lightly impressed ; interior of shell somewhat granular. 

 Long. '^, lilt. 3" 5 mm. 



Hab. Kigezi, extrone S.W. Uganda, at an altitude of 6000 ft. 

 {Robin Keitip). 



EXPLANATION OF THE PLATES. 

 Plate XXXI. 



Pij?. 1. SpJuerium kigeziensis, X 5. 



\ a. „ „ hinge, X 5. 



2& 2 a. Ancylus kempt, X 5. 



3. Africarion kempi, nat. size. 



4. „ microstriata, X l^. 



4«. „ „ sculpture, X 12. 



5. ,, microgranulata, X IJ. 



ba. „ „ sculpture, X 12. 



6. Aleea keniana, X 10. 



7. Ennea microstriata , X 2\. 



8. Blaiineria exsiliwm, X 5. 



9. Asshnania aiirifera, X 6. 



10. Homorus iredalei, nat. size. 



11. Kaliella consobrina, X 0. 



12. „ iredalei, X 6. 



13. „ depauperata, X 6. 



13 a. „ „ sculpture, X 12. 



14. „ kigeziensis, X 6. 



15. Sitala iredalei, X 4. 



16. LeucocJiiloides chanlerensis, X 7. 



17. „ soror, X 4. 



18. .„ iredalei, X 7. 



19. „ gaziensis, X 6. 



20. Natalina permemhranacea, X Ij. 



20 rt. „ „ spire, X H- 



20 b. „ „ liase, X I5. 



Plate XXXII. 



Fig. 1. Limncea kempi, X 3. 



2 & 2a. Succinea kempi, X 2^. 



3 & 3 a. „ princei, X 2^. 

 4. Planorbis sperahilis, X 8. 



4a. „ „ spire, X 8. 



4 h. „ „ base, X 8. 

 n. „ kigeziensis, X 6. 



ba. „ ,. spire, X 6. 



5 b. „ „ base, X 6. 



6. Segmentina eussoensis, X 3. 



6 a. „ „ spire, X 3. 



6 ft. „ „ base, X 3. 



7. „ kempi, X 6. 



7 a. „ „ spire, X 6. 



7 h. „ „ base, X 6. 



8. Tnichiictfstis iredalei, X 8. 



8 a. '„ „ spire, X 8. 

 8 ft. „ ,, base, X 8. 



9. Vivipara rubicunda, var. kisumiensis, nat. size. 



10. Eiissoia inopina, X 5. 



11. Vitrina compacta, X 2. 



12. Thapsiella millestriata, X 2. 



13. „ opposita, X 8. 



14. Zingis kempi, X 4. 



15. „ papyracea, X 1^. 



16. „ planispira, X IJ. 



Proc. ZooL. See— 1912, No. XIII. 13 



