THE BAHAMA ISLANDS 47 



Plate XIII. 



Fig. 1. Helicina rawsoni Pfeiffer, base; 3/2. See p. 36. 



Fig. 2. Cepolis (PlagioptycJia) inaguana Dall, base; 3/2. See p. 38. 



Fig. 3. Helicina rawsoni Pfeiffer, profile; 3/2. See p. 36. 



Fig. 4. Cepolis {Hemitrochus) exumana Dall, base; 3/2. See p. 37. 



Fig. 5. Cepolis {Plagioptycha) gregoriana Dall, base; 3/2. See p. 37. 



Fig. 6. Cepolis duclosiana variety columbiana Dall, base; 3/2. See p. 38. 



Fig. 7. Cepolis {Hemitrochus) exumana Dall; 3/2. See p. 37. 



Fjg. 8. Cepolis {Plagioptycha) gregoriana Dall, profile; 3/2. See p. 37. 



Fig. 9. Cepolis duclosiana variety coluvihiana Dall, profile; 3/2. See p. 38. 



