Mr. Adams'j DefcripttofU, ^c. 



Fig. 22. Helix nitidiflima, upper fide magnified. 



23. , natural fize. 



<2.±. . , under fide magnified. 



25. Helix bicolor, upper fide magnified. 



26. , natural fize. 



27. , under fide magnified. 



28. Serpula ovalis, upper fide magnified. 



29. ■, natural fize. 



30. , under fide magnified. 



31. Serpula reflexa, magnified. 



22. •— , natural fize. 



33. Serpula cornea, upper fide magnified. 



24. — — — , natural fize. 



3^. ; — », under fide magnified. 



II. De- 



