PLATE 69 



1,2. Thais laplllus Llnn4. p. 117. 



3. The same; ovlcapsules enlarged, p. 117. 



4. Colus pygmaeus Gould, p. 124. 



5. Epltoniiim multlstriata Say. p. 84. 



6. Urosalpinx clnereus Say. p. 116. 



7. Nassarius trivittata Say. p. 121. 



8. Nassarius vlbex Say. p. 121. 



9. Nassarius obsoletus Say. p. 121. 



10. Epltonlum humphreysli Kiener. 17 mm. p. 84. 



11. Eupleura caudata Say, small northern form. p. 115. 



12. Anachis avara Say, variety, p. 119. 



13. Mitrella pura Verrlll. p. 120. 



14. Mangilla plicosa C. B. Adams. 7 mm. p. 137. 



15. Lora bicarinata Couthouy. 7 mm. p. 136. 



16. Mitrella lunata Say. 5 mm. p. 120. 



17. Lora harpularia Couthouy. 12 mm. p. 136. 

 18,19. Pollnlces triseriata Say, young, p. 92. 



20. Polinices Immaculata Totten. p. 93. 



21. Natica pusilla Say; 6 mm. p. 92. 



22. Caecum pulchellum Stimpson. 2.5 mm. p. 102. 



23. Crepidula fornicata Linne. 32 ram. p. 95. 



24. The same, young, p. 95. 



25. Crepidula glauca convexa Say. 14 mm. p. 96. 



26. Crepidula plana Say. p. 96. 



27. Crucibulum striatum Say; profile, p. 95. 



28. The same, from below, p. 95. 



i 



