2 SYSTEMATIC INDEX. 



Pages 



8. ROTALIA. ROTALIA, . . . . 24,35 



15. Botalia Beccarii. Beccaria's Rotalia, . . 24, 35 



Var. R Beccarii reversa. Reversed, . 24, 35 



9. SPIROLOCULINA. SPIROLOCULINE, ... 24, 36 



16. Spiroloculina concentrica. Concentric Spiroloculine, 24, 36 



10. VERMICULUM. VERMICULUM, . . . 24,36 



1?. Vermiculum subrotundum. Roundish Vermiculum, 24, 36 



18. Vermiculum intortum. Oval Vemniculum, . 24, 37 



19. Vermiculum oblongum. Oblong Yermiculum, 24, 37 



20. Vermiculum disciforme. Disciform Vermiculum, 319 



21. Vermiculum planatum. Flattened Vermiculum, 319 



FAMILY II. TEXTULARIINA, . 320 



11. POLYMORPHINA. POLYMORPHINE, . , . 320 



22. Polymorphiiia lactea. Plaited Polymorphine, ) ot . Q0n 



Vermiculum lacteum, . . J" ^> J7 > 62 



12. TEXTULARIA. TEXTULARIA, . . . 25,37 



23. Textularia oblonga. Oblong Textularia, . 25, 38 



24. Textularia obtusa. Blunted Textularia, . 320 



FAMILY III. VAGINULINA, . 321 



13. DENTALINA. DENTALINE, . . . . 26, 40 



25. Dentalina linearis. Semistriated Dentaline, . 26, 40 



26. Dentalina Davidsonii. Davidson's Dentaline, 321 



27. Dentalina rectiuscula. Straightish Dentaline, 322 



14. VAGINULA. VAGINULE, .... 322 



28. VaginulaLegumen, Common Vaginule, . 322 



15. LAGENULA. LAGENULA, .... 25,38 



29. Lagenula laevis. Smooth Lagenula, . . 25, 38 



30. Lagenula reticulata. Reticulated Lagenula, . 25, 38 



16. CCECALIUM. COECALIUM, . . . . 25, 39 



31. Coecalium glabrum. Smooth Coecalium, . 25,39 



32. Ccecalium imperforatum. Imperforated Coecalium, 25, 39 



33. Ccecalium Trachea. Annulated Coecalium, . 26', 39 



CLASS II. PTEROPODA, . 40 



CLASS III. GASTEROPODA, 41 



ORDER I. GASTEROPODA PULMOBRANCHIATA, 42, 72 



SECTION I. TERRESTRIA. 2, 72 



FAMILY I. LIMACINA. . 42*, 72 



1. ARION. ARION-SLUG, . . . . 43, 73 



1. Arion ater. Black Arion-Slug, . . 43, 73 



2. LIMAX. SLUG, . . . . . 43, 74 



2. Limax cinereus. Spotted Grey Slug, . . 43, 75 



3. Limax variegatus. Variegated Slug, . . 43, 76 



4. Limax agrestis. Field Slug, ... 43, 77 



5. Limax marginatus. Margined Slug, . . 43, 78 



FAMILY II. HELICINA, . 43, 79 



3. HELIX. SNAIL, . . . . . 44, 79 



6. Helix aspersa. Spotted Snail, . . 44, 80 



