Discus, portea Ad. 
— pusillus Ad. 
—  pygmaeus Fitz. 
— quadratus Ad. 
—  radiellus Ad. . 
— rareplicatus Ad. . 
—  rotundatus Fitz. . 
—  ruderatus Fitz. 
—  rupestris Ad. 
—  gaxicola Ad. . ; 
—  Sehwerzenbachii Kd. 
— serrata Ad. 
— sigma Ad.. 
— sincerus Ad. 
— solitarius Ad. 
—  striatellus Ad. 
—  suturalis Ad. . 
—  tessellatus Ad. 
— theta Ad. ne 
—  turbiniformis Ad. 
—  varicosus Ad. 
— zeta Ad. . 
Dorecasia, S. Hel. 
— Alexandr Gr. . 
— argillacea Wall. . 
—  bulbus Mrch. . 
— fodiens Wall. . 
—  Kraussi Mrch. 
—  ]ueana Mreh. . 
—  oeculta Wall. 
Draparnaudia, Ss. Hel. 
—  Michaudi Mont. : 
Drepanostoma, Subs. Hel. 
—  nmautiliformis Parr. 
Drymaeus, S. Bulimili. . 
-— mexicanus Tryon. 
—  serperastus Tryon. 
Dryptus, S. Bulimi. 
—  Blainvilleanus Mrch. 
Durgella. Ss. Nan. 
Dyodonta, S. Claus. . . 
Eburnella, S. Achatinellae. 
— casta VOR 
— curta Ps. 
— livida Ps. TT 
—  poreelana Ps. . . 
— recta Ps. 
—  Ssaccata P. . : 
—  simicarinata Ps. . 
—  undulata Ps. 
—  varlabilis Ps. . . 
Edentulina S. Enn. . 
Edusa S. Zon. 
Egana, Ss. Claus. 
Elasmatina, Gen. . 
—  Cumingiana Pet. 
Elasmatina, globosa Pet. 
—  Reclusiana Pet. 
—  Reclusiana Gr. 
—  subulata Pet. . 
Electra, Gen. 
—  oreas Frf. . 
Elia, S. Claus. 
Elisma, Ss. Hel. 
—  fasciata Leach. 
Ellobium Ceriona Bolt. 
Elma, S, Enn. 
Elona, Ss. Hel. 
Ena, S. Bulimini. 
— obscura Leach. 
Endodonta S. Pat. 
—  &cetabulum Ps. 
—  binaria Ps. 
celsa Ps. 
— constricta Smp. 
—  fabrefacta Ps. 
— ficta Ps. 
—  Gráüffei Mss. 
—  Huaheinensis Ps. 
—  hystricelloides Mss. 
— irregularis Smp. 
— lacerata Smp. 
— . Jamellosa Ad. 
—  ]laminata Ps. 
—  obolus Ps. 
philippinensis Smp. 
—  rugata Ps. À 
Ennea, Gen. : 
— Adamsiana E 
— rATberst E: 
—  anodon P. 
—  arenicola Mor. 
— Batalhana P... 
c -hacolorylutt. 
bicristata Mor. 
Blanfordiana Aust. 
—  bulbulus Mor. 
—  Calameli Jouss. 
—  eapitata Gd. 
—  eallifera Paet. 
— cerea Dkr. 
— ceylanica P. 
—  Chaperi Jouss. 
— elavulata Lam. 
—  Comorensis Mts. 
—  erassidens P. 
— erystallum Mor. 
— Cumingiana P. . 
— cyathostoma P. . 
—  eylindrelloideà Stol. 
—. delicatula: I5; 
— denticulata Mor. 
