Fig. 
8c, 8e. 
PLATE VII. 
Chemnitzia Hamptonensis, p. 50. 
— — magnified. 
Cerithium limeeforme, p. 30. 
—  sexcostatum, p. 30. 
= — magnified. 
Chemnitzia Leckenbyi, p. 50, magnified. 
— Wetherellii, p. 50. 
— _ magnified. 
Nerinza Eudes, p. 33. 
— — magnified. 
Nerina Voltzii, y. 32, young. 
== = section magnified. 
Nerinzea Dufrenoyi, p. 34. 
— _ magnified. 
— cal section magnified. 
— — p. 34, another variety. 
= = portion magnified. 
Nerinza Stricklandi, p. 35 
== = portion magnified. 
Nerina punctata, p. 35. 
= — portion of external surface magnified. 
— _— section magnified. 
Nerineea Voltzii, p. 32. 
— — section. 
Nerinzea funiculis, py. 36. 
_ _ portion of the surface magnified. 
— — section magnified. 
Chemnitzia Lonsdalei, p. 49, the young shell. 
—_ — the adult shell. 
Cerithium Roissu, p. 32. 
aaa _ section of the shell. 
Chemnitzia simplex, py. 49, reduced one half. 
