288 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.40. 



Cyclostrema granulum Dall, var.? 



Vitrinella helicoides C. B. Adams. 



Fissuridea bermudensis Dall and Bartsch. 



Ischnochiton (Stenoplax) bermudensis Dall and Bartsch. 



Pododesmus rudis Broderip. 



Pecten ornatus Lamarck., very young. 



Melina lamarckiana Orbigny, very young. 



Crassinella parva C. B. Adams. 



Erycina linella Dall, young. 



Coralliophaga dactylus Bruguiere. 



Ckione mazyckii Dall, young. 



Chione cancellata Linnaeus. 



Macrocallista maculata Linnaeus. 



Macoma mitchelli Dall. 



Ervilia subcancellata E. A. Smith. 



Semele proficua Pulteney. 



Lyonsia beana Orbigny, young. 



Gastrochaena rostrata Spengler. 



EXPLANATION OF PLATE 35. 



The measurement given after each species represents the actual length of the 

 specimen. 

 Fig. 1. Cerithiopsis ara; 2.3 mm.; p. 282. 



2. Columbella somersiana; 24 mm.; p. 278. 



3. Cerithiopsis io; 2.3 mm.; p. 285. 



4. Turbonilla (Careliopsis) bermudensis; 2 mm. The fine spiral sculpture has 



been omitted in our figure; p. 279. 



5. Aclis bermudensis; 2.1 mm.; p. 278. 



6. Turbonilla (StrioturboniUa) haycocki; 7 mm.; p. 280. 



6a. Turbonilla (StrioturboniUa) haycochi; detail of intercostal sculpture; p 280. 



7. Mitra haycochi; 4.7 mm.; p. 277. 



8. Fissuridea bermudensis; 5.0 mm.; p. 286. 



9. Turbonilla (StrioturboniUa) peilei; 6 mm.; p. 280. 



9a. Turbonilla (StrioturboniUa) peilei; detail of intercostal sculpture; p. 280. 



10. Cerithiopsis pesa; 2.5 mm. ; p. 283. 



11. Cerithiopsis movilla; 3.8 mm.; p. 281. 



12. Cerithiopsis vicola; 2.9 mm.; p. 284. 



