SOUTH AFRICAN MARINE MOLLUSKS. 267 



Plate 51. 



Fig. 1. Borniafarica, new species, p. 198. 



2. Borniafarica, new species, p. 198. 



3. Bornia (Pythina) africana, new species, p. 199. 



4. Bornia arfica, new species, p. 199. 



5. Bornia (Pythina) rotundata Deshayes, p. 199. 



6. Bornia (Pythina) rotundata Deshayes, p. 199. 



7. Rochefortia convexa Gould, p. 199. 



8. Rochefortia convexa Gould, p. 199. 



9. Rochefortia simitis Smith, p. 200. 

 10. Rochefortia similis Smith, p. 200. 



Plate 52. 



Fig. 1. Rochefortia natalensis Smith, p. 200. 



2. Rochefortia natalensis Smith, p. 200. 



3. Rochefortia enora, new species, p. 200. 



4. Rochefortia enora, new species, p. 200. 



5. Rochefortia elsa, new species, p. 200. 



6. Rochefortia elsa, new species, p. 200. 



7. Rochefortia helena, new species, p. 201. 



8. Rochefortia helena, new species, p. 201. 



9. Rochefortia milda, new species, p. 200. 



10. Rochefortia milda, new species, p. 200. 



11. Cuna concentrica, new species, p. 191. 



12. Cuna concentrica, new species, p. 191. 



Plate 53. 



Fig. 1. Rochefortia farma, new species, p. 201. 



2. Rochefortia farma, new species, p. 201. 



3. Lasea turtoni, new species, p. 201. 



4. Lasea turtoni, new species, p. 201. 



5. Rochefortia io, new species, p. 201. 



6. Rochefortia io, new species, p. 201. 



7. Felaniella alfredensis, new species, p. 195. 



8. Felaniella alfredensis, new species, p. 195. 



9. Diplodonta africana, new species, p. 195. 

 10. Diplodonta africana, new species, p. 195. 



Plate 54. 



Fig. 1. Ungulina alfredensis, new species, p. 196. 



2. Diplodonta almo, new species, p. 195. 



3. Carditopsis alfredensis, new species, p. 193. 



4. Carditopsis alfredensis, new species, p. 193. 



5. Venericardia africana, new species, p. 192. 



6. Venericardia africana, new species, p. 192. 



7. Condylocardia io, new species, p. 193. 



8. Condylocardia io, new species, p. 193. 



9. Digitaria africana, new species, p. 194. 

 10. Ungelina alfredensis, new species, p. 196. 



