TAB. X. 



Fig. 



1. Chemnitzia curvicostata, page 79. 



1 a. volution magnified. 



2. Chemnitzia rufa,jo. 79. 



2 a. reversed apex magnified. 

 2 b. volution magnified. 



3. Chemnitzia costaria, p. 80. 



3#. volution magnified. 



4. Chemnitzia nitidissima (?), p. 80. 



4 a. volution magnified. 



5. Chemnitzia elegantissima, j. 81. 



5 a. volution magnified. 



6. Chemnitzia internodula, j. 81. 



6 a. volution magnified. 



7. Chemnitzia filosa,j0. 82. 



7 a. volution magnified. 



8. Chemnitzia densecostata, p. 82. 



8 a. volution magnified. 



Fig. 

 9. Chemnitzia unica (?), j. 83. 



9 a. volution magnified. 



1 0. Chemnitzia varicula, p. 84. 



10 a. volution magnified. 



11. Chemnitzia similis, p. 84. 



1 1 a. volution magnified. 

 \\b. var. laevigata. 

 lie. volution magnified. 



13. Littorina (?) suboperta,^. 120. 



14. Littorina littorea, var. vulgaris, />. 118. 



14 a. var. antiqua. . 

 146. ,, sulcata. 

 14 c. picta. 



14 d. 



eleans. 







14 e. bicarinata. 



14/. pyramidata. 



14 ff. delphinula. 



147*. deformis. 



14 i. carinata. 

 elongata. 



The lines indicate the size of the specimens. 



