160 BULLETIN 90, UNITED STATES NATIONAL MUSEUM. 



Plate 3. 



Fig. 1. Cypraea tumulus Heilprin, profile. Ion. 34 mm., p. 84. 



2. Cypraea heilprini Dall, profile, Ion. 26.5 mm., p. 85. 



3. Bulimulus atnencanus Heilprin, basal view, p. 26. (See also pl. 2, fig. 5.) 



4. Cerion anodonta Dall. var, floridana Dall, alt. 22 mm., p. 28. 



5. Planorbis ivillcoxii Dall, profile, lat. 6.5 mm., p. 31. 



6. Tlie upper surface of the same, lat. 6.5 mm. 



7. Cttncellaria suhthomasiae Dall, alt. 20 mm., p. 47. 



8. Ischnochiton tampaensis Dall, o, upper surface of middle valve; b, 



under surface of the same, lat. 6.5 mm., p. 115. 



9. Drillia newmani Dall, profile of body whorl showing anal sinus; en- 



larged, p. 46. 



10. Ampullina soUdula Dall, alt. 16 mm., p. 108. 



11. Margarites tanipaensis Dall, lat. 8 mm., p. 112. 



12. Cypraea tumulus Heilprin, base, Ion. 34 mm., p. 84. 



13. Melanella conoidea Kurtz and Stimpsou, alt. 13 mm., p. 82. 



14. Cypraea heilprinii Dall, base. Ion. 26.5 mm., p. 85. 



Plate 4. 



Fig. 1. Calliostoma tampicum Dall, alt. 10.5 mm., p. 111. 

 2. Astyris dicaria Dall, alt. 4.3 mm., p. 72. 

 .3. Area (Barbatia) marylandica Conrad, Ion. 37 mm., p. 119. 



4. Astyris acanthodes Dall, alt. 6 mm., p. 73. 



5. Yoldia frater Dall, Ion. 13.5 mm., p. 117. 



6. Cardium {Tracliycardium) parile Dall, alt. 15 mm., p. 143. 



7. Drillia belotheca Dall, alt. 9 mm., p. 42. 



8. Plcurodonte cunctator Dall, lat. 11 mm., p. 24. 



9. Pleurodonte cunctator Dall. 



10. Acteon tampae Dall, alt. 7 mm., p. 32. 



11. Tellina (Angulus) atossa Dall. Ion. 21 mm., p. 153. 



12. Bulimulus {Hyperaulax) partulinus Dall, alt. 13.5 mm., p. 26. 



13. Cardium {Trachy cardium) cestum Dall, alt. 32 mm., p. 142. 



14. Bulimulus {Hyperaulax) laxus Dall, alt. 15.5 mm., p. 26. 



Plate 5. 



Fig. 1. Turritella tripartita Dall, alt. 43 mm., p. 97. 



2. Terebra {Oxymeris) dislocata Say, var. alt. 25 mm., p. 36. 



3. Drillia cupora Dall, alt. IG mm., p. 42. 



4. Drillia severina Dall, alt. 23 nun., p. 40. 



5. Cerithium precursor Heilprin, alt. 12 mm., p. 90. (See also pl. 12, fig. 26.) 



6. Fusinus f quinqucspinus Dall, alt. 33 mm., p. 66. 



7. Helicina posti Dall, lat. 11.5 mm., p. 113. 



8. Sinum imperforatum Dall, alt. 13.2 mm., p. 109. 



9. Assiminea aldra Dall, alt. 2 mm., p. 101. 



10. Murex mississippiensis Conrad, alt. 32 mm., p. 73. 



11. Amauropsis guppyi Gabb var. floridana Dall, alt. 27 mm., p. 108. 



12. Drillia glyphostoma Dall, alt. 15 mm., p. 45. 



13. Turris albida Perry, alt. 75 mm., p. 38. (See also pl. 14, fig. 7.) 



14. Murex crispangula Heilprin, alt. 42 mm., p. 75. 



15. Tritonalia scabrosa Dall, alt. 22 mm., p. 77. 



16. Turris (Stircula) servata Conrad, alt. 55 mm., p. 39. 



