264 BULLETIN 91, UNITED STATES NATIONAL MUSEUM. 



Fig. 6. Cyclostrema alfredensis, new species, type, greater diameter 1.7 mm. (profile), 

 p. 169. 



7. Cyclostrema alfredensis, new species (top), p. 169. 



8. Cyclostrema alfredensis, new species (bottom), p. 169. 



Plate 36. 



Fig. 1. Pondorbis alfredensis, new species, type, greater diameter .8 mm. (top), p. 171. 



2. Pondorbis alfredensis, new species (profile), p. 171. 



3. Pondorbis alfredensis, new species (bottom), p. 171. 



4. Leptogyra africana, new species, type, greater diameter 1 mm. (top), p. 173. 



5. Leptogyra africana, new species (bottom), p. 173. 



6. Leptogyra africana, new species (profile), p. 173. 



7. Vitrinella (Docomphala) arifca, new species, type, greater diameter 1.1 mm. 



(top), p. 168. 



8. Vitrinella (Docomphala) arifca, new species (bottom), p. 168. 



9. Vitrinella (Docomphala) arifca, new species (profile), p. 168. 



10. Graphis africana, new species, type, length 2.3 mm., p. 64. 



11. Vanihoro africana, new species, type, altitude 3 mm., p. 140. 



Plate 37. 



Fig. 1. Vitrinella rifaca, new species, type, greater diameter 1.8 mm. (top), p. 167. 



2. Vitrinella rifaca, new species (bottom), p. 167. 



3. Vitrinella rifaca, new species (profile), p. 167. 



4. Columbella (Anachis) io, new species, type, length 6.5 .mm., p. 54. 



5. Columbella (Seminella) alfredensis, new species, type, length 6.1 mm., p. 56. 



6. Murex alfredensis, new species, type, length 6 mm., p. 59. 



7. Vitrinella cifara, new species, type, greater diameter 1.4 mm. (profile), p. 167. 



8. Vitrinella cifara, new species (top), p. 167. 



9. Vitrinella cifara, new species (bottom), p. 167. 



Plate 38. 



Fig. 1. Barbatia cafria, new species, type, length 14.2 mm., p. 183. 



2. Cylindrobtdla turtoni, new species, type, length 8 mm., p. 8. 



3. Bullia lara, new species, type, length 38 mm., p. 53. 



4. Lima africana, new species, type, length 13.5 mm., p. 187. 



5. Barbatia cafria, new species, p. 183. 



6. Littorina africana tryphena, new subspecies, type, length 7 mm., p. 120. 



Plate 39. 



Fig. 1. Dinoplax gigas alfredensis, new subspecies, type, length 62 mm., p. 179. 



2. Dinoplax gigas alfredensis, new subspecies (top), p. 179. 



3. Erycina rifaca, new species, type, length 1.2 mm., p. 197. 



4. Hochstetteria paramoea, new species, type, altitude 2.2 mm., p. 184. 



5. Rochefortia io, new species, type, length 1.1 mm., p. 201. 



6. Hochstetteria alfredensis, new species, type, altitude 3.6 mm. (exterior), p. 184. 



7. Hochstetteria alfredensis, new species (interior), p. 184. 



Plate 40. 



Fig. 1. Solen alfredensis, new species, type, length 96.5 mm. (exterior), p. 208. 



2. Solen alfredensis, new species (interior), p. 208. 



3. Atrina alfredensis, new species, type, length 73 mm., p. 183. 



