SMITH NFAV SPECIES OF LAND SHELLS FROM CENTRAL AFRICA. 3x9 



Hab.^ Lagari, British East Africa. 



The single specimen described was collected by Mr. Steuart 

 Betton who presented it, together with other interesting zoological 

 specimens, to the British Museum. It is remarkable for its very 

 smooth glossy surface and form. 



12. Subulina dohertyi. (PL IV., fig. 19). ^ 

 Testa elongata, ovato-fiisiformis, tenuis, pelhicida, pallide cornea, nitens; 



anfractiis sex celeriter accrescentes, superior es duo Icsves convexi, cceteri 

 convexiusculi, sutura obliqua profunda sejuncti, striis tenuibus oblique 

 stdiflexuosis regulariter sculpti, ultimus elongatus, peroblique descen- 

 dens; apertura ovata, superne acuminata; labrum tenuissimmn ; 

 colutnella arcuata, antice breviter truncata, callo tenui induta. 

 Longit. 9 "5 nwi., diafu. 275 ni/n., apertura 3 7mn. longa, 2 m?n. 

 lata. 



Hab., E. Uganda. 



The form of this species is rather unusual, and the stri?e are 

 distinct and regular. 



13. Opeas lenta. (PI. IV., fig. 20). 



Testa elongata, gracilis, teiiuis, pellucida, tiitida, oblique confertini 

 tenuissime striata; anfractus io,lente accrescentes, stiperiores duo Iceves 

 convexi, cceteri convexiusculi, sutura sub profunda obliqua sejuncti, 

 ultimus haud descendens ; apertura parva, inverse auriformis ; 

 labrum tenue, leviter angustissime expansum ; columella expansa et 

 convexe reflexa. Longit. 10 mm., dia?n. 275 mm., apertura 2 mm. 

 longa, 1*5 mm. lata. 

 Hab., E. Uganda. 

 The raised striae are very slender, closely packed, thread-like and 



oblique. Two or three at distant intervals, former labra, are more 



conspicuous than the rest. 



14. Opeas venusta. (Pi. IV., fig. 21). 



Testa elongata, gracilis, pellucida, nitens, vix striata; anfractus 10, 

 lentissime accrescentes, supremi duo globosi, cceteri convexiusculi, 

 ultitfms brevis; apertura parva, inverse auriformis ; peristo7na tenue, 

 margine dextro arcuato, coliimellari ad insertionem dilatato et reflexo. 

 Longit. 9 mm., diam. i'5 mm., apertura i ?n?n. longa, 075 mm. 

 lata. 



Hab., E. Uganda. 



More slender and smaller than O. crenulata Smith,^ from the same 

 locality and without any crenulations beneath the suture. The 

 increase of the whorls is very gradual and there is scarcely any differ- 

 ence in the height of the last five whorls. 



I Journ, Malacol; vol. 8, p. 96, fig. 6, 1901. 



