INDEX. 119 



PISIDIUM, nitidum, 17, i, 8. 



pusillum, 17, i, 7. 



roseum, 18, i, 9. 

 PLANORBIS, 28. 



albus, 29, iii, 4. 



carinatus, 31, iii, 8. 



complanatus, 31, iii, 9. 



contortus, 33, iii, 11. 



comens, 32, iii, 10. 



dilatatus, 33, iii, 12. 



glaber, 30, iii, 5. 



lineatus, 28, iii, 1. 



Nautileus, 29, iii, 3. 



nitidns, 28, iii, 2. 



spirorbis, 30, iii, 6. 



vortex, 31, iii, 7. 



PULMONOBBANCHIATA, 28. 

 PUPA, 77. 



marginata, 78, vii, 13. 



ringens, 78, vii, 11. 



secale, 77, vii, 10. 



umbilicata, 78, vii, 12. 



SPHERID2E, 13. 



SPHERIUM, 13. 



corneum, 13, i, 1. 



lacnstre, 14, i, 4. 



ovale, 14, i, 3. 



rivicola, 14, i, 2. 

 SUCCINEA, 49. 



elegans, 49, v, 2. 



oblonga, 50, v, 3. 



