BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 189 



PLATE XL. 



FlG. 1. Pecten phrygium Dall; 36.5. 



2. Cuspidaria microrhina Dall, dorsal view of right valve, natural size 



3. The same, side view. 



4. Cardium (Fulvia 1 }) peramabilis Dall; f. 



5. Callocardia ( Vesicomya) venusta Dall ; 19.0. 



6. Amusium Dalli E. A. Smith, natural size. 



7. Meiocardia Agassizii Dall; 22.0. 



8. Tindaria amabilis Dall ; 15.0. 



PLATE XLI. 

 FlG. 1. Mangilia oxytata Bush. 



2. Mangilia lanceolata Adams var. psila Bush. 



3. Mangilia melanitica Dall var. oxia Bush. 



3 a. Mangilia melanitica Dall var. 



4. Mangilia atrostyla Dall. 



4 a. Mangilia atrostyla Dall. 



5. Nassarina glypta Bush. 



5 a. Nassarina glypta Bush. 



6. Triforis turris-thomcK Orbigny. 



7. ' Adtorbis supranitidus Wood. 

 7 a. AdeorMs supranitidus Wood. 



8. Scala teres Bush. 



9. Eulimella ? engonia var. teres Bush. 



10. Niso inter-rupta Sby. var. ceglees Bush. 



11. Volvula acuta Orbigny. 



12. Volvula oxytata Bush. 



13. Tornatina Candei Orbigny. 



14. Cylichnella bidentata Orbigny. 



15. Eetusa ccelata Bush. 



16. Philine sagra Orbigny. 

 16 a. Philine sagra Orbigny. 



17. Actceon punctoslriatus Adams, var. 



18. Dentalium leptum Bush. 

 18 a. Dentalium leptum Bush. 



19. Cadulns carolintnais Bush. 



20. Cadulus quadridentatiis var. incisus Bush. 



21. Cuspidatia ornatissima Orbigny. 



The drawings for this plate were made by Miss Bush, and lent by Professor Verrill 

 for use in the present publication. They first appeared in the Transactions of the 

 Connecticut Academy of Sciences (vol. vi, part ii, plate xiv). 



PLATE XLII. 



FIG. 1. Pteronolus pJianeus Dall ; 17.0. 



2. Pseiidamusium strigillathm Dall ; 10.0. 



3. En^leura Stimpsoni ^all ; 12.0. 



4. Crassaiella floridana Dall ; 50.0. 



5. Benthonella gaza Dall ; 10.0. 



6. Marginella cineracea Dall ; 13.0. 



7. Mitra Bairdii Dall ; 35.0. 



8. Scala babylonia Dall ; 30.0. 



9. Pecten efflmns Dall ; 26.0. 



10. Peristicliia toreta Dall ; 10.75. 



11. Cyclostrema cistronium Dall ; max. diam, 2.0. 



The figures on this plate are unpublished and were drawn for the U. S. Fih Com- 

 mission by J. C. McConnell. 



