THE BAHAMA ISLANDS 47 



Plate XIII. 



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



Fig. 2. Gepolis (Plagioptycha) inaguana Dall, base; 3/2. See p. 38. 



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



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



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



Fig. 6. Gepolis duclosiana variety columHana Dall, base; 3/2. See p. 38. 



Fig. 7. Gepolis (Hemitrochus) exumana Dall; 3/2. See p. 37. 



Fig. 8. Gepolis (Plagioptycha) gregoriana Dall, profile; 3/2. See p. 37. 



Fig. 9. Gepolis duclosiana variety columbiana Dall, profile; 3/2. See p. 38. 



