544 Yerrill and Bush — Marine 3follusca of the Bermudas. 



Figure 18. Turbonilla leuca Bush, p. 529. x 15. 



Figure 19. Pyrgostelis 'puncta (C. B. Adams) Bush, p. 530. x 15. 



Figure 19a. The same. Sculpture much enlarged. 



Figure 20. Turbonilla valida Verrill and Bush, p. 528. x 9. 



Figure 21. Turbonilla Sioiftii Bush, p. 529. Specimen No. 72,055 of Philadelphia 



Academy, from the "West Indies, x 10. 

 Figure 21a. The same. Nucleus, x 37.5. 



Plate LXV. 



Figure 1. Ccecum tornatum Verrill and Bush, p. 537. x 15. 



Figure 2. Ccecum obesum Verrill and Bush, p. 538. x 15. 



Figure 3. Caecum crispum Verrill and Bush, p. 539. x 15. 



Figure 4. Cacum delicatulwn Verrill and Bush, p. 538. x 15. 



Figure 5. CcBcum tenue Verrill and Bush, p. 537. x 13. 



Figure 6. Vanikoro oxychone Morch, p. 540. x about 15. 



Figure 7. Odostomia (Evalea) Somersi Verrill and Bush, p. 533. x 12. 



Figure 8. Siphonaria henica Verrill and Bush, p. 524. x 3.5. 



Figure 9. Atilia monilifera Sow., p. 540. x 10. 



Figure 10. Ccecum termes Heilprin, p. 537. Young, x 15. 



Figure 11. Odostoma {Cingulina) Babylonia (C. B. Adams) Bush, p. 534. x 12. 



Figure 12. Turbonilla Heilprini Bush, p. 528. x 12. 



Figure 13. Turbonilla Penistoni Bash, p. 529. x 6 ; a nucleus, x 30. 



Figure 14. Odostomia {Cyclodostomia) didyma YerviW &nd.B\x?i\i,^. b%^. x 18. 



Figure 15. Actceon punctostriatus (C. B. Adams), x about 13. Off Cape Hafcteras. 



Young. To show variation in size of nucleus. 

 Figure 16. Rissoa (Manzonia) minuscula Verrill and Bush, p. 540. x 12. 

 Figure 17. Rissoa (Manzonia) Auberiana d'Orb., p. 539. x 12. 

 Figure 18. Actceon punctostriatus (C. B. Adams), p. 522. Adult, x about 13. 

 Figure 19. JEsopus Stearnsii {Trjou) Dall, p. 541. Young, x 20. 

 Figure 20. Cerithiopsis Bermudensis Verrill and Bash, p. 536. x 10. 

 Figure 21. Pyrgostelis {Mormida) pupoides d'Orb., p. 531. x 12. 

 Figure 22. The same, var. ischna Bush, p. 531. x 8. 

 Figure 23. Pyrgostelis (Mumiola) asperula Bush, p. 530. x about 4. 

 Figure 24. Alvania {Alvinia) platycephala Daul. and H. Fischer, p. 539. x 12. 



