Plate 13 



All specimens Peneroplis proieus d'Orbigny 



Figures 1-5. (After d'Orbigny.) a, side view; b, apertural view. Fig. 5, "Pen- 

 eroplis dubius d'Orbigny." 

 6-17. X 45. Figs. 6, 7, 10, 15-17, Bermuda. Figs. 8, 9, San Juan 

 HarlDor, Porto Rico. Fig. 11, Havana Harbor, Cuba. Fig. 12, 

 Montego Bay, .Jamaica. Fig. 13, Tortugas, Fla. Fig. 14, Nassau 

 Harbor, Bahamas. 

 70 



