116 INDEX. 



BULIMUS, montaims, 76, vii, 8. 



obscuras, 76, vii, 9. 

 BYTHINIA, 25. 



Leachii, 25, ii, 8. 



tentaculata, 25, ii, 7. 

 CARYCHIIIUE, 95. 

 CAETCHIUM, 95. 



minimum, 95, viii, 9. 

 CLAUSILIA, 88. 



biplicata, 90, viii, 4. 



laminata, 91, viii, 3. 



garvula, 92. 



Rolphii, 90, viii, 2. 



rugosa, 89, viii, 1. 



solida, 92. 

 COCHLICOPA, 92. 



lubrica, 93, viii, 6. 



tridens, 92, viii, 7. 

 CONCHIFERA, 13. 

 CYCLOSTOMA, 96. 



elegans, 96, viii, 10. 

 CYCLOSTOMATID^E, 96. 

 DEEISSENA, 22. 



polymorplia, 22, ii, 3. 



DREISSEMDjE, 22. 



GASTEROPODA, 23. 



GrEOMALCUS, 44. 



maculosus, 44. 

 HELICIDJ;, 49. 

 HELIX, 59. 



aculeata, 59, v, 16. 



