MÉMOIRES 



137 



pentaptyctavAR.(MargiDoUa),IV,p. 199. 

 pentastoma (Nerita), III, p. 83. 

 perarata var. (Phasianella), III, p. 79. 

 PKIIATOTOMA (= Homotoma), V, 



p. 72. 

 perditus (Potamides = Cerithium), IV, 



p. 62. 

 perelegans (Colina = Cerithium), IV, 

 p. 57. 



— (Hélix), IV, p. 355. 



— (Monodonta — Trochus), 



III, p. 53, pi. H, fig. 33. 

 perforata Natiea), III, p. 161. 



— (Trypanaxis = Cerithium), 

 IV, p. 60. 

 periaulax (sect. de Eumargarita), III, 



p. 63. 

 peristerma (sect. de Latirus),lV,p. 166. 

 PERNA, II, p. 166. 

 perobliqua (Limopsis), II, p. 1 20, pi. VI, 



fig. 4-5. 

 PERON.EA (sect de Tellina), I, p. 71. 

 perplexa (Raphitoma = Pleurotoma), 



IV, p. 286, pi. X, fig. 42 et 63. 

 Perrieri [Gymnoplax), III, p. 16. 

 personata (Teredina), I, p. 24, et V, 



p. 18, pi. I, fig. 6-7. 

 pervia (Trypanaxis = Cerithium), IV, 



p. 61. 

 Petitclerci (Cerithium), IV, p. 21, pi. I, 



fig. 17. 

 Pezanti (Sipho),V, p. 65, pi. [H, fig. 18. 



— (Velutina), V, p. 49, pi. III, 

 fig. 11. 

 Pfeifteri (Marinula = Pedipes), IV, 



p. 346. 

 ph.edusa (sect. de Clausilia), IV, p. 363. 

 PHASIANELLA, IH, p. 78 [voir aussi 



Aizyella]. 

 PHILINE (= Bullœa), IV, p. 310. 

 Philippardi (Cerithiopsis = Cerithium), 



IV, p. 40. 



l'iu.YCTsENIA (sect. de Borsonia), IV, 



p. 241 l— Phlyctis\ V, p. 72. 

 PHOLAUOMYA, I, p. 60. 

 PHOLAS, I, p. 25. 

 iniiiRcULUS (sect. de Gibbula), III, p. 57. 

 phymatophora (Plicatula), II, p. 187, 



pi. VIII, fig. 40-41. 

 PHYSA, IV, p. 326. 

 picta (Phasianella), III, p. 80. 

 Picteti (Cerithium), IV, p. 13. 



— (Solarium), III, p. 245. 

 Piethei (Modiola), II, p. 155. 

 PILEOL t'5( = Tomostoma), III, p. 89. 

 PILEOPSIS(= Capulus), III, p. 190. 

 pilula (Natica), III, p. 166. 

 PINNA, II, p. 161. 

 piraster (Triton), IV, p. 117. 

 pireniforme (Cerithium), IV, p. 15. 

 pirenopsis (sect. de Faunus), III, p. 28 1 . 

 PIRULA (= Ficula), IV, p. 165 [voir 



aussi Sycum]. 

 piiulata (Pleurotoma), IV, p. 260. 

 pirus (Sycum), IV, p. 163. 

 PISANELLA (= Turbinella ex parte), 



IV, p. 158. 

 PISANIA, IV, p. 139. 

 PISIDIUM (= Eupera\ I, p. 144, et 



II, p. 199. 

 pisiformis (Neritina), III, p. 86. 

 Pissaroi (Sandbergeria), IV, p. 33, 



pi. I, fig. 40. 

 pisum (Corbula), I, p. 46. 

 pisum (Cyrena), I, p. 134. 

 pixidicula (Corbula), I, p. 48. 

 PLACUNA (= Semiplicatula), II, 



p. 198. 

 plagiarca (sect. d'Arca), II, p. 136. 

 plagiaulax (Solen), I, p. 30. 

 plagiocardium (sect. de Cardium), I, 



p. 168. 

 plagiomorphum (Cardium), I, p. 170, 



pi. VIII, fig. 21-22. 



