TAB. X. 



Fig. 



1. Cliemnitzia cunncostata, j^rti/e 79. 



1 a. volution magnified. 



2. Cliemnitzia rufa,/). 79. 



2 a. reversed apex magnified. 

 2 b. volution magnified. 



3. Cliemnitzia costaria, jO. 80. 



3a. volution magnified. 



4. Cliemnitzia nitidissima {)),p- 80. 



4 a. volution magnified. 



5. Cliemnitzia elegantissima, jo. 81. 



5 a. volution magnified. 



6. Cliemnitzia internodula, ^>i. 81. 



6 a. volution magnified. 



7. Cliemnitzia filosa, J?;. 82. 



7 a. volution magnified. 



8. Chemnitzia densecostata, jy. 82. 



8 a. volution nias-nified. 



Fig. 

 9. Chemnitzia unica (?),y>». 83. 



9 a. volution magnified. 



1 0. Chemnitzia varicula, p. 84. 



10 f/. volution magnified. 



1 1 . Chemnitzia similis, p. 84. 



1 1 a. volution magnified. 

 1 1 1^. var. laevigata, 

 lie. volution magnified. 



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



The lines indicate the size of the specimens. 



