x ip e 
Mesostoma cancellarioïdes Desh. 
Keilostoma minor Desh. 
Adeorbis paucicostata Desh. 
—  bicarinala Desh. 
Melania lactea Link. 
—  ventriculosa Desh. 
—  bimarginata Desh. 
—  hordacea Desh. 
= — var. subhordacea. 
—  fibula Desh. 
Melanopsis Parkinsoni Desh. 
_ obtusa Desh. 
—  ancillarioïdes Desh. 
—  ovularis Desh. 
—  Dufresnei Desh. 
Bithynia crassa Desh. 
—  striatula Desh. 
—  microscopica Cossm. 
Eulima subnitida d'Orb. 
—  parisiensis Desh. 
— acuncula Desh. 
Niso constriela Desh. 
Odostomia intermedia Desh. 
— turbonilloïdes Desh. 
= turritellata Desh. 
ES tortilis Desh. 
Turbonilla turrella d'Orb. 
—  polygyrata Desb. 
— nitida d'Orb. 
Tornatella turgida Desh. 
—  elecla Desh. 
—  procra Desh. 
Ringiculata minor Desh. 
Bulla coronata Lmk. 
—. Bruguierei Desh. 
— cylindroïdes Desh. 
—  ovulala Lmk. 
— semislriata Desh. 
—  parisiensis d'Orb. 
Bullæa Vaudini Desh. 
Solarium bistriatum Desh. 
—  marginatum Desb. 
= suessoniense Watel. 
Bifrontia landunensis Desh. 
—  Deshayesi Mich. 
Pedipes Lowei Desh, 
Auricula præstans Des. 
Teinostoma Waleleti Desh. 
Delphinula turbinata Desh. 
—  marginala Lmk. 
Xenophora Gravesiana d'Orb. 
—  nummuliliféra Desh. 
Nerila tricarinata Lmk. 

Neritina Schmideliana Ch. 
—  nucleus Desh. 
—  sonaria Desh. 
Natica infundibutum Watel. 
—  labellata Lmk. 
—  tenuicula Desh. 
— venusta Desh. 
—  Blainvillei Desh. 
— Hamilloni Desh. 
—  hantoniensis Pilk. 
—  perforala Desh. 
— epiglottinoïdes Desh. 
— separala Desb. 
— microglossa Desh. 
— Stoppani Desh. 
— insolita Desh. . 
— occulia Desh. 
— semipalula Desh. 
—  Forbesi Desh. 
—  intermedia Desh. 
—  dissimilis Desh. 
— sinuosa d'Orb. 
— Levesquei d'Orb. 
—  paludiniformis d'Orb. 
Sigaretus Levesquei Récluz. 
Cancellaria dentifera Desh. 
—  crenulala Desh. 
—  subevulsa d'Orb. 
Cerithium involutum Lmk. 
—  gradatum Desh. 
—  alternans Desb. 
—_ detritum Desh. 
—  mitreola Desh. 
—  stephanophorum Desh. 
—  papale Desh. 
—  pyramidatum Desh. 
—  spectabile Desh. 
—  spinosum Desh. 
—  diastomoïdes Desb. 
—  Labechei Desh. 
—  clathratum Desh. 
—  plcatulum Desh. 
—  subacutum d'Orb. 
—  biseriale Desh. 
—  prelongum Desh. 
—  sukiferum Mellev. 
—  cuisense Desh. 
— lritorquatum Desh. 
—  perforatum Lunk. 
—  mundulum Desh. 
—  pseudoventricosum d'Orb. 
—  broviculum Desh. 
—  resectum Desh. 
Source : MNHN, Paris 
