ANNALES DE L'INSTITUT OCÉANOGRAPHIQUE 
Nassa plicatella A. Adams, 32. 
poecilosticta E.-A. Smith, 31. 
— trifasciata À. Adams, 33. 
—  tritoniformis Kiener, 31. 
Natica Adansoni Philippi, 51, pl. I, fig. 9. 
— collaria Lamarck, 51. 
— fanel (Adanson) Recluz, 51. 
— flammulata Réquien, 52. 
—  Fossar Adanson, 47. 
—  fulminea Gmelin, 51. 
—- Gruveli Dautzenberg, 52. 
— lactea Guilding, 55. 
—  marochiensis Gmelin, 52. 
— Turtoni E.-A. Smith, 52. 
—  yariabilis (Recluz) Reeve, 52. 
— vittata Gmelin, 52. 
Navicella elliptica Lamarck, 50. 
Neptunea contraria Linné, 29. 
Nerita costata Brocchi, 47. 
—  nodosa Linné, 39. 
—  senegalensis Gmelin, 74. 
—  sulcosa Brocchi, 47. 
Neritina glabrata Sowerby, 74 
Niso Cherreuxi Dautzenberg, 55. 
Nucula nitida Sowerby, 74. 
Nuculana bicuspidata Gould, 87. 
— rostrata Montagu, 87. 
— tuberculata E.-A. Smith, 87. 
Obeliscus dolabratus Linné, 55. 
— suturalis von Maltzan, 55. 
Octopus octopodia Linné var. verrucosa, 2. 
—  Sp., 2. 
Odostomia acuticostata Jeffreys, 65. 
— conoidea Brocchi, 56. 
— elegans A. Adams, 68. 
Odostomia Etiennei Dautzenberg, nov. s:°., 57, pl. Il, 
fig. 28, 29. 
__ Gilsoni Dautzenberg, nov. sp., 56, pl. II, fig. 26, 27. 
__ Lamothei Dautzenberg, nov. sp., 57, pl. IL, fig. 22, 
23% 
Odostomia sigmoidea Monterosato, 67. 
Odostomia Thielei Dautzenberg, nov. sp. 55, pl. IT, 
fig. 24, 25. 
Odostomia turbonilloides Brusina, 67. 
Oliva acuminata Lamarck, 17. 
—= — Tryon (non Lamarck), 17. 
—  ancillarioides Reeve, 18. 
— annotata Marrat, 17. 
—  flammulata Lamarck, 17. 
— hiatula Tryon (non Gmelin), 18. 
— micans Dillwyn, 17. 
— millepunctata Duclos, 17. 
— nana Lamarck, 17. 
— senopira Duclos, 17. 
Olivancillaria nana Lamarck, 17. 
Olivella pulchella Duclos, 18. 
Ostrea bicolor Hanley, 82. 
—  cornucopiæ Chemnitz, 83. 
— cucullata Born, 83. 
Ostrea denticulata Born, 82. 
— flabellum Gmelin, 83, 84. 
—  Forskalii Chemnitz, 82. 
— gasar (Adanson) Dautzenberg, 82. 
— lacerans Hanley, 82.. 
—  mytiloides Lamarck, 82. 
—  parasitica auct. (non Gmelin), 82. 
— —. var. f Gmelin, 82. 
— rufa Lamarck, 83. 
Ostreum Gasar Adanson, 82. 
Oxystele fulgurata Philippi, 75. 
Paludina bulimoides Olivier, 46. 
Pandora oblonga Sowerby, 104. 
Panopæa Aldrovrandi Ménard, 90. 
Parthenina sigmoidea Monterosato, 67. 
Patella Adansoni Dunker, 80, 
— antiquata Linné, 49. 
— intermedia Jeffreys, 79. 
—  lugubris Gmelin, 80. 
— natalensis Krauss, 80. 
—  porcellana Linné, 50. 
— safiania Lamarck, 79. 
—  Vatheleti Pilsbry, 80. 
Pecten dislocatus Say, 84. 
— flabellum Gmelin, 83. 
— gibbus auct. (non Linné), 83. 
— —.[Linné, 84. 
—  orbicularis Sowerby, 84. 
—  Tissotir Bernardi, 83. 
Pectunculus concentricus Dunker, 87. 
Pedipes afer Gmelin, 3, 
PÉLÉCYPODES, 82. 
Peribolus Stipon Adanson, 21. 
Peringia ulræ Pennant, 40. 
Persona Smithi von Maltzan, 40, 41. 
Petricola lithophaga Retzius, 93. 
—  pholadiformis Lamarck, 93. 
Phasianella Petiti Craven, 74. 
Philine aperta Linné, 4. 
— scabra Müller, 4. 
Pholas clausa Gray, 99. 
— truncata Say, 99. 
Pinna ramulosa Reeve, 84. 
— rudis (Linné) auct., 84. 
Planaxis Hermannseni Dunker, 46. 
— lineatus da Costa, 46. 
— — var. Hermannseni Dunker, 46. 
Pleurotoma amianta Dautzenberg, nov. sp., 12, pl. 
fig. 5, 6. 
Pleurotoma cærulea von Martens (non Weinkauff, 11. 
_ — Weinkauff, tr. 
— clionellæformis Weinkauff, 13. 
— gravis Hinds, 10. 
— lineata Lamarck, 10. 
—  Martensii von Maltzan, 11. 
—  mitræformis Kiener (var.), 7. 
—  muricata Lamarck, 9. 
—  obesa Reeve, 10. 
—  papalis Reeve, 7. 
109 
