PLATE 68 



1. Cyma to syrinx thea Dall. 15 mm, p. 135. 



2. Oscllla biserlata Gabb. 8.5 mm. p. 90. 



3. Mangilla limonltella Dall. 6.75 mm. p. 137. 



4. Turbonilla cedrosa Dall. 5.5 mm. p. 89. 



5. Mitra floridana Dall. 6 mm. p. 188. 



6. Phos parvus Intrlcatus Dall. 13.2 mm. p. 123. 



7. Clathodrillia leucocyma Dall. 7.5 mm. p. 135. 



8. Capulus iingaricus Linn6. Radula teeth, enlarged, p. 94. 



9. Colus pygmaeus Gould. Soft parts, p. 124. 



10. Tachyrhynchus erosa Couthouy; portion shell and animal, enlarged, p. 101. 



11. Liostraca hemphlllii Dall. 3 mm. p. 86. 



12. Crepldula plana Say. Radula. p. 96. 



13. Nassarius trivlttata Say; showing animal, p. 121. 



14. Limacina helicina Phipps; radula, enlarged, p. 143. 



15. Scissurella crispata Fleming, showing animal. 4 mm. p. 78. , 



16. Crepidula fornlcata Linne, from below, showing soft parts; 20 mm. p. 95. I 



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